ChatGPT Cheat Sheet: A Complete Guide for 2024

ChatGPT reached 100 million monthly users in January 2023, according to a UBS report, making it the fastest-growing consumer app in history. The business world is interested in ChatGPT too, trying to find uses for the writing AI throughout many different industries. This cheat sheet includes answers to the most common questions about ChatGPT and its competitors.

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ChatGPT is an AI chatbot product developed by OpenAI and built on the structure of GPT-4. GPT stands for generative pre-trained transformer; this indicates it is a large language model that checks for the probability of what words might come next in sequence. A large language model is a deep learning algorithm — a type of transformer model in which a neural network learns context about any language pattern. That might be a spoken language or a computer programming language.

The model doesn’t “know” what it’s saying, but it does know what symbols (words) are likely to come after one another based on the data set it was trained on. The current generation of artificial intelligence chatbots, such as ChatGPT, its Google rival Bard and others, don’t really make intelligently informed decisions; instead, they’re the internet’s parrots, repeating words that are likely to be found next to one another in the course of natural speech. The underlying math is all about probability. The companies that make and use them pitch them as productivity genies, creating text in a matter of seconds that would take a person hours or days to produce.

In ChatGPT’s case, that data set is a large portion of the internet. From there, humans give feedback on the AI’s output to confirm whether the words it uses sound natural.

The public version of ChatGPT can call on current events information as recent as January 2022. ChatGPT Plus can call on current events information as recent as April 2023.

In August OpenAI launched a GPTBot, a web crawler meant to expand ChatGPT’s knowledge. Technical details and ways to keep GPTBot from crawling a website you run can both be found here.

SEE: OpenAI’s probability exams were trained on Microsoft’s Azure AI supercomputer. (TechRepublic)

Several organizations have built this ability to answer questions into some of their software features too. Microsoft, which provides funding for OpenAI, rolled out ChatGPT in Bing search and in Microsoft 365. Salesforce has added ChatGPT to some of its CRM platforms in the form of the Einstein digital assistant.

ChatGPT was built by OpenAI, a research laboratory with both nonprofit and for-profit branches. At the time of its founding in 2015, OpenAI received funding from Amazon Web Services, InfoSys and YC Research and investors including Elon Musk and Peter Thiel. Musk has since cut ties with the company, while Microsoft provided $10 billion in funding for OpenAI in 2023.

The base version of ChatGPT can strike up a conversation with you for free. For $20 per month, ChatGPT Plus gives subscribers priority access in individual instances, faster response times and the chance to use new features and improvements first. For example, right now ChatGPT Plus subscribers will be running GPT-4, while anyone on the free tier will talk to GPT-3.5.

For developers and organizations who don’t already have a specific contract with OpenAI, there is a waitlist for access to the ChatGPT API.

In August, OpenAI launched ChatGPT Enterprise, a subscription plan for business with more security enhancements and admin controls compared to the basic version. Organizations interested in pricing for ChatGPT Enterprise can contact OpenAI’s sales team.

It’s easy to use the free version of ChatGPT. You need to sign up for an account with OpenAI, which involves fetching a confirmation code from your email; from there, click through and provide your name and phone number. OpenAI will warn you that the free version of ChatGPT is “a free research preview.” For the Plus version, you’ll see an “upgrade to Plus” button on the left side of the home page.

New signups or account upgrades for ChatGPT Plus were paused on Nov. 14, 2023 and reinstated on Dec. 13, 2023. OpenAI CEO Sam Altman wrote on X (formerly Twitter): “thanks for your patience while we found more gpus.”

For businesses, ChatGPT can write and debug code, as well as create reports, presentations, emails and websites. In general, ChatGPT can draft the kind of prose you’d likely use for work (“Write an email accepting an invitation to speak at a cybersecurity conference.”). ChatGPT can answer questions (“What are similar books to [xyz]?”) as well. Microsoft showed off these features in its announcement that OpenAI is coming to Word and some other parts of the 365 business suite.

ChatGPT has historically not ‘remembered’ information from one conversation to another. However, starting on July 20, 2023 ChatGPT Plus members can use a feature called custom instructions to make sure the AI remembers certain things about them. For example, it can remember a specific user tends to want content for a business audience, or, conversely, for third graders. It is not available in the UK and EU.

On May 18, 2023, OpenAI announced the launch of the free ChatGPT app for iOS. The company stated the app syncs your history across devices, and that it integrates with its open-source speech-recognition system Whisper. On the iOS app, OpenAI said ChatGPT Plus subscribers get exclusive access to GPT-4’s capabilities, early access to features and faster response times.

OpenAI started this rollout in the U.S. As of May 24, 2023 it expanded to 11 more countries — Albania, Croatia, France, Germany, Ireland, Jamaica, Korea, New Zealand, Nicaragua, Nigeria, and the UK, with more expected to follow.

ChatGPT for Android dropped on July 25, 2023 for users in the US, India, Bangladesh, and Brazil. Android users in those countries can download the app through the Google Play Store now. Additional countries gained access over the following week, OpenAI said.

ChatGPT Plus and Enterprise subscribers can use ChatGPT to answer questions using the Bing search engine. Browsing was brought out of beta on October 17, 2023.

To access Bing in ChatGPT, subscribing customers can choose Browse with Bing in the selector under GPT-4. OpenAI expects to expand internet browsing to all users at a later date.

Browse with Bing was disabled on July 3, 2023 out of “an abundance of caution,” OpenAI wrote, and reinstated in beta on Sept. 27 of the same year. OpenAI has since added “updates include following robots.txt and identifying user agents so sites can control how ChatGPT interacts with them.”

On Nov. 21, 2023, ChatGPT Voice was released for all users. This feature allows users to ask questions out loud and for ChatGPT to reply in the same way.

Subscribers to ChatGPT Plus and Enterprise first reported new voice and image capabilities rolling out in late October.

The ability to use Tools without switching is an important step toward multimodality, in which GPT-4 can automatically access DALL-E 3 to analyze or create images without a manual switch. Text-based queries will be able to result in images and vice versa. OpenAI expects to expand these capabilities to developers and other groups of users “soon after” the October release for Plus and Enterprise users.

OpenAI continues to update ChatGPT and its other services with developer-focused changes.

OpenAI started a bug bounty program on April 12, 2023, offering between $200 and $20,000 to ethical hackers who find vulnerabilities in the code. More critical vulnerabilities net larger bounties.

OpenAI isn’t looking for solutions to problems with ChatGPT’s content (e.g., the known “hallucinations”); instead, the organization wants hackers to report authentication issues, data exposure, payments issues, security issues with the plugin creation system and more. Details about the bug bounty program can be found on Bugcrowd.

GPTPlus users gained access to a beta version of web browsing and Plugins on the week of May 12, 2023. The beta includes web browsing mode, in which ChatGPT will sometimes access the internet to pull in information about current events.

Secondly, the beta version of ChatGPT will call on third-party plugins at the appropriate times if the user enables them. Third-party plugins can be accessed in the Plugin Store under Plugins in the model switcher. This opens ChatGPT up to more than 70 third-party plugins.

On June 13, 2023, OpenAI added function calling to the Chat Completions API; reduced the price of their embeddings model (which helps the model interpret tokens); and reduced the price of input tokens for GPT-3.5 -turbo, one of the subscription models for the GPT 3.5 model.

With function calling, developers can describe functions to GPT-4 or GPT-3.5 turbo and the AI will return a JSON object which can call those functions. This could be used to create chatbot tools that call external plugins, convert natural language into database queries or API calls, or extract structured data from text.

Other announcements from OpenAI’s June 13, 2023 blog post include:

On July 6, 2023, OpenAI made ChatGPT’s code interpreter function available to all ChatGPT Plus users. The Code interpreter is an in-house plug-in with which ChatGPT can run code to analyze data, solve math problems, create charts, edit files, and similar tasks. It functions using a Python interpreter in a sandboxed, firewalled execution environment in a persistent session the length of the chat conversation, OpenAI said in their blog post.

Code interpreter is available in beta by taking the following steps in a ChatGPT Plus account:

With more and more organizations adopting generative AI, many questions arise. Will AI be able to fill jobs currently held by humans? What privacy and ethical concerns does it raise? These questions apply to both ChatGPT and its competitors, since any generative AI can perform similar tasks.

Whether ChatGPT will take jobs away from humans is impossible to predict. Goldman Sachs says in an April report that a quarter to a half of humans’ workloads could be automated with generative AI. The financial institution notes that doesn’t necessarily mean those jobs will disappear – instead, most will be “only partially exposed to automation” – and it may lead to up to a 7% increase in global GDP.

Roles that are repetitive or based on very specific rules are most likely to be able to be performed by AI, Steven Miller, professor emeritus of information systems at Singapore Management University, told CNBC.

ChatGPT could lead to new job roles being created, too. At the very least, people will be needed to prompt, train and audit AI like ChatGPT. Most likely, we’ll see the kind of shuffle that comes with any major technological shift as some jobs change and others do not.

SEE: How ChatGPT could enhance jobs instead of replacing them (TechRepublic)

Some experts refer to the current wave of AI as similar to the early days of the internet. Technological limitations still exist, and some estimations about how many jobs would be lost through automation have proven exaggerated in the past. The IEEE points out that the AI industry will need to be aware of hardware limitations and costs. Companies may not find it practical to spend enough money on AI services in order to replace a large percentage of their workforce. Paying users of ChatGPT can make a maximum of 25 GPT-4 queries every three hours, IEEE points out.

In some jobs, the AI may remove the need for a first draft, MIT labor economics professor David Autor said in an interview with CBS MoneyWatch. A human will need to tweak the output and give in a unique angle or more varied wording, but ChatGPT could write the bare bones version of a speech or a blog post.

Perhaps inspired by science fiction about AI taking over the earth, some high-profile players in tech urge caution about giving AI too much free rein. On March 22, 2023, a petition and open letter signed by Elon Musk and many others urged companies to pause large AI development until more safeguards can be built in.

ChatGPT opens up questions about the ethics of using written content created by the algorithm. Posts created by AI should be clearly marked as such, but what about more casual communication such as emails? Business leaders should establish guidelines for when to be transparent about the use of ChatGPT or other AI at work.

OpenAI cautions that its products are not to be used for decisions in law enforcement or global politics. Privacy, which is perhaps a more pressing concern than global domination, led Italy to ban ChatGPT. OpenAI has since stated it wants to find a way to let ChatGPT work within the European Union’s strict privacy rules.

On April 25, 2023, OpenAI announced it has added a Chat History & Training setting that lets users turn off their ChatGPT chat history, preventing future versions of OpenAI’s large language models from training on those conversations. To find this option, click on your account name, which will display as your email address. Select Settings > Data Controls > Chat History & Training.

As of now, if this setting is not selected, user data will be fed back into the AI to train it on producing more naturalistic and useful responses.

OpenAI filters out personally identifiable information from the training data, OpenAI told Bloomberg. As of April 2023, users can download a copy of their ChatGPT chats and see what training data they have produced. In ChatGPT Enterprise, users’ data is used to train other OpenAI products.

On Nov. 6, 2023, OpenAI announced Copyright Shield. Copyright Shield is a guarantee that if someone files legal claims around copyright infringement against content created by users of ChatGPT Enterprise or OpenAI’s developer platform, OpenAI will costs incurred.

Another potential problem comes from people using generative AI like ChatGPT to draft business email compromise messages or other cyberattacks. According to BBC News, GPTs (the ChatGPT feature that helps users build AI apps) helped BBC News create a generative pre-trained transformer for writing phishing emails.

“The public version of ChatGPT refused to create most of the [malicious] content – but Crafty Emails [the app] did nearly everything asked of it, sometimes adding disclaimers saying scam techniques were unethical,” wrote Joe Tidy at BBC News.

IBM X-Force security researchers used ChatGPT to write phishing emails. However, the phishing emails written by humans for the same test were more successful.

On Nov. 28, 2023, security researchers from Google DeepMind found that adversarial actors could extract training data, including personal information, from ChatGPT using a flaw based on extractable memorization. The paper, published as a PDF on arXiv, shows that the researchers could trick the chatbot into revealing its raw training data. One way to do so was to ask ChatGPT to repeat the word ‘poem’ forever. This would result in the chatbot eventually diverging from the task and generating random content, or, in some cases, generating the exact data the generative AI was trained on.

“The actual attack is kind of silly,” the researchers wrote, referring to the endless poem prompt. However, they warn that the consequences could be quite serious, with the attack circumventing ChatGPT’s privacy safeguards.

ChatGPT’s primary competitors are or could be Google’s Bard, Baidu’s Ernie, DeepMind’s Sparrow and Meta’s BlenderBot.

ChatGPT’s main competitor is Bard, Google’s AI generative AI chatbot. Google plans to add Bard into search. In comparison to ChatGPT, Bard focuses more on creating prose that sounds like a human could have spoken it naturally and less on being able to answer any question. Bard is built on Google’s Language Model for Dialogue Applications.

While Microsoft is ahead of the pack right now (as of summer 2023) in terms of providing chat functions to productivity software, the company lags behind in terms of its search engine Bing. Google decision-makers allegedly pivoted to urgently roll out a competitor for Microsoft’s decision to add generative AI to Bing search. (Meanwhile, ChatGPT helped Bing reach 100 million daily users.)

The Chinese search engine Baidu plans to add a chatbot called Ernie. Baidu announced the upcoming change on March 16, 2023, at which point the initial showing disappointed investors.

OpenAI competes with DeepMind, an artificial intelligence research laboratory owned by Alphabet. The two organizations are significantly different in terms of their aims. DeepMind focuses more on research and has not yet come out with a public-facing chatbot. DeepMind does have Sparrow, a chatbot designed specifically to help AI communicate in a way that is “helpful, correct and harmless.” DeepMind founder Demis Hassabis told The Independent in January that DeepMind may release a private beta version of Sparrow later in 2023.

Meta released BlenderBot in August 2022. The prototype BlenderBot from the company behind Facebook focuses on being able to chat, providing short, conversational replies rather than full paragraphs.

Meta also has Llama 2, a foundational model competitive with the GPT-4 engine behind ChatGPT.

Claude 2 is a generative AI assistant released in July. Anthropic describes it as “a friendly, enthusiastic colleague or personal assistant who can be instructed in natural language.”

Elon Musk’s AI company X.ai, which includes developers with prior experience at OpenAI and DeepMind among other AI companies, released a chatbot called Grok in November. Grok was trained on the X social media platform (formerly Twitter) and “is designed to answer questions with a bit of wit and has a rebellious streak,” X.ai wrote on Nov. 4.

According to The New York Times, Apple is working on leveraging the tech it has, especially Siri, to create a ChatGPT rival. More information about what the final product might look like is thin on the ground for now.

Will ChatGPT be common in online products in the future or is it a technological innovation forever in search of a greater use case? Today its “intelligence” is clearly still in the beginning stages, with OpenAI including disclaimers about inappropriate content or incorrect “hallucinations.” ChatGPT may put the words in a coherent order, but it won’t necessarily keep the facts straight.

GPT-3.5 and GPT-4 may also be getting worse at math. An August 2023 report from Stanford University and the University of California, Berkeley noted this “drift,” or gradual erosion of the ability to perform tasks like identifying prime numbers. Their theories as to why it’s happening include reduced ability to follow chain-of-thought (or, roughly, step-by-step) instructions.

In July 2023, two MIT economics graduate students conducted a study of 453 professionals. They found that people who used ChatGPT for writing tasks – such as producing press releases, short reports, or analysis plans – took 40% less time to finish their tasks than a control group that was not encouraged to use the generative AI. These professionals were then scored by their peers. On average, they received grades 18% higher than those in the control group (who did not use AI). This provides some qualitative data on the effect ChatGPT could have on white-collar work.

“Participants with weaker skills benefited the most from ChatGPT, which carries policy implications for efforts to reduce productivity inequality through AI,” wrote the authors of the study, Shakked Noy and Whitney Zhang.

Overall, Noy and Zhang maintained that widespread use of ChatGPT for writing tasks could have both positive and negative impacts in the workplace and the labor market.

Meanwhile, AI announcements that go viral can be good or bad news for investors. Microsoft’s stock price rose after the announcement of GPT-4, while Google’s stock dropped when Bard performed badly in a demonstration.

OpenAI saw visitor numbers to the ChatGPT website drop in June 2023 for the first time since its release in November 2022. According to Similarweb, worldwide unique visitors dropped 5.7% from May to June. Global desktop and mobile web traffic dropped 9.7%. ChatGPT still receives more worldwide visitors than Microsoft’s in-house AI at Bing.com. The shine may have worn off chat AI, although it’s too early to tell whether the business world will also start to cool on this trendy technology.

For now, OpenAI says it isn’t training GPT-5, the likely successor to today’s model. In a talk at MIT reported on by The Verge, Altman pushed back against the open letter – an earlier draft of which had stated that a 5th generation was on the way; primarily, he criticized the letter’s lack of technical specificity.

“We are doing other things on top of GPT-4 that I think have all sorts of safety issues that are important to address and were totally left out of the letter,” Altman said.

He said no one should expect to see a GPT-5 rollout “for some time.”

Solar Cheat Sheet: Your Guide to Getting Solar Panels

Over the past few years, the stars (particularly the one at the center of our solar system) have aligned to make residential solar panels increasingly appealing for meeting your home's energy needs.

The rising costs of energy across the US, along with falling prices for solar panels aided by federal tax incentives, have simply made the economics of solar power not only attainable but beneficial for homeowners in the long run.

"If you looked at solar just a few years ago, costs have continued to come down since then," said Ben Delman, communications director at Solar United Neighbors. "It depends on your situation, but more and more homeowners and families are deciding that solar makes sense for them as a way to save money by taking control over where their electricity comes from."

Can solar panels save you money?

Interested in understanding the impact solar can have on your home? Enter some basic information below, and we’ll instantly provide a free estimate of your energy savings.

Below, we've collected CNET's expert advice to get you through the process of purchasing solar panels.

Solar panels work in many different climates, not just the sunniest.

Buying a solar panel system means buying a lot of equipment the average person doesn't have reason to know about. In the most basic terms, photons from the sun are absorbed by the solar panels and converted into direct current, or DC, electricity. For this energy to be used in American homes, it has to go through an inverter attached to the solar array to become alternating current, or AC, electricity.

Read up on what you'll actually be buying with the stories linked below:

Fortunately for the solar-curious, many options exist for homeowners and even renters to get some or most of their electricity needs met with energy from the sun.

The most common way to go solar for homeowners is the installation of panels on their roofs. These systems can be purchased directly through an installer (or assembled for the DIYers) as a large cash purchase or through relatively affordable financing (such as a 1.99% APR 15-year loan). There are also options for rooftop solar for those who may not have the capital to get a project started. These are solar leases, where a homeowner pays a fixed monthly cost to a company who retains ownership of a solar system; or a power purchase agreement, in which a homeowner pays for the electricity generated by solar panels rather than the system itself.

Finally, both homeowners and renters in many places have access to community solar. This option allows people to opt in to a nearby solar farm to enjoy some energy savings.

Regular cleaning can improve solar panel production, especially in dry, dusty climates.

The costs of solar panels will depend on a few factors, including where you live, how much of your energy needs you want the system to cover, whether you install it yourself and whether you want a battery (which could cost as much as the system itself). The average cost was about $3 per watt in 2022 for an 8 kW system through an installer, according to the consulting firm Wood Mackenzie.

The way you pay for your system is vital. You'll notice the biggest hit to your bank balance by paying for solar outright, while financing will spread the expense out over years but with added interest. A lease or PPA is most friendly to the budget-minded, but you won't enjoy the long-term benefits that come with owning a system outright.

Here's the average total cash price, cost per watt and system size for a solar panel system in your state, according to data from FindEnergy.com. These prices don't factor in tax credits or state incentives. Certain states don't have any FindEnergy solar data and are grayed out on the map.

If you're buying a system outright or financing it, you'll receive a 30% tax credit through the Inflation Reduction Act. 

To get a better idea of when to expect a return on investment, look at how much energy you've consumed in the past year or two and how much it cost you. Then, working with an installer, figure out how much of your energy you'd like to offset with solar and how much the system will cost. Eventually, the savings from not having to buy electricity from your utility will be greater than the cost of the solar system itself.

"In terms of payback, broadly seven to 12 years is a decent average when you see returns from investment in solar after purchasing a system," Delman said. 

Ground-mounted solar panels might be a better option for some homes.

It is possible to install most of a solar panel system yourself -- mounting the panels on your roof and connecting them to each other. But if your home is connected to a grid, you'll need to hire a licensed electrician for the final connection needed to feed electricity to your utility.

"Another thing to keep in mind if you're doing it yourself is whether the warranties for the panels that you purchase require them to be installed by a professional," Delman said. "Often when people do it themselves, they'll hire an electrician to do the finishing work so it can get certified. It's also good if you're not an expert to have somebody with expertise to just go over the wiring and make sure that everything is where it should be."

If you want to buy panels directly, most hardware stores and larger retailers have them available. If you'd like to get them through a professional, a good place to start, according to Delman, is the website of your local solar industry association (for example, the New York Solar Energy Industries Association). These organizations should have a list of its members, which will often include installers and suppliers. Typically, installers work with one or two solar panel brands.

"Look for an installer who's experienced, particularly with the kind of situation you have at your home," Delman said. "Have they worked with the same roofing materials? Do you want a ground mount system installed? Check reviews on Yelp, Angie's List, Google and others, and get references too." (Solar United Neighbors also offers resources for going solar, free of charge.)

The best way to make sure you're getting the best deal on your solar panels is to get multiple quotes and ask as many questions of your potential installers as you need. CNET has reviewed many of the national solar companies, but it's a good idea to check into local installers, too, who sometimes can offer lower prices.

Solar panel maintenance is generally minimal and fairly easy. Even so, we've got the info you need to keep your panels in the best possible shape.

Solar panels, in general, will work in a variety of climates, even those with frigid winters. The more important questions to ask are: Does my roof get adequate sunlight? Are any trees shading my roof? And most importantly, does my utility offer net metering?

Net metering is perhaps the most important aspect of going solar, in that it stipulates that your energy utility will pay you for the energy created by your solar panels that you don't consume. Net metering ensures that the return on investment in going solar is financially sound.

For most homeowners, buying a backup battery is an expensive proposition, costing almost as much as a solar system itself. Solar batteries can cost anywhere from $12,000 to $22,000, according to the US Department of Energy. If your home is connected to the grid, the high price of batteries puts it squarely in the non-necessity column.

That being said, there are instances where a battery may be worth the expense. If your area is prone to frequent blackouts and/or you have medical needs that, for example, require cold insulin or medical equipment, a battery is a good investment. Batteries will also be a necessity if you live off the grid.

You'll need a battery to go off the grid with solar panels. A bigger one than these.

Going solar has another benefit for homeowners: it can boost the price of their properties if and when they decide to sell. According to studies by the Lawrence Berkeley National Lab and Zillow, homes with solar panels often sell for about $10,000 more compared to those that don't.

No. Solar panels are a proven technology that can help you shift some of your energy use to cheaper, greener electricity. But that doesn't mean that scammy companies (while apparently rare) don't exist. The company discussed in the story linked below recently went out of business, but a bit of caution is a good thing.

Net metering -- the process by which you're paid for electricity generated by your solar panels but sent back to the grid -- is a critical factor in whether homeowners should go solar.

"Let's say during a beautiful sunny day, you're at work, the lights, TV and dishwasher are off, so you're probably generating more electricity from your system than you're consuming," Delman said. "When that happens, that electricity goes to the electric grid through your electric meter to be used by your neighbors. Net metering is what ensures you receive credit for that electricity so that your investment is still being paid back even if you're not using the electricity yourself."

You can see what your state's policy toward net metering is here.

Solar won't be an option for everyone. If your home does not receive adequate sunlight due to shading on your roof, you live in a state without net metering or there's no community solar, going solar may not be viable for you.

But with rising energy costs and the falling price of solar panels, for many people there's never been a better time to go solar. There's options to go solar that should fit most people's needs, whether that's through financing, a solar lease, PPA or community solar, that will allow them to start seeing savings on their energy bills almost immediately. By most estimates, a solar system starts paying for itself after between seven and 12 years.

Powering your home with solar not only allows you to get your electricity from a clean source, but provides an unmatched return on investment that will save you money on your energy bills and boost the value of your home.

Cheat Sheet: Steelers at Colts

AFC Divisional Playoffs, RCA Dome, Jan. 15, 2006: Steelers 21, Colts 18

This game had one of the most memorable moments in the Steelers' great history when Ben Roethlisberger tackled Nick Harper to save the game and advance Pittsburgh to the AFC Championship. The usually ultra-reliable Jerome Bettis, one of the best goal-line runners in the history of the game, fumbled at the goal line. The ball was recovered by Harper, who had all sorts of open space to win this game in heroic fashion for Indianapolis. But, of course, that isn't what transpired thanks to Roethlisberger. Even after that, Indianapolis still could have tied the game, but Mike Vanderjagt missed a 46-yard field goal. The Colts were 14-2 that year and had home-field advantage in the AFC playoff bracket, but it was Pittsburgh that won the next two games, including the Super Bowl. That was Bettis' first fumble of the season.