Glossary

ARCHIVED 2023-05-12, DATE APPROXIMATE · VERSION 20230512_rev01 · COMPARED WITH 20230415_rev01

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99AMP stands for "Accelerated Mobile Pages," a limited version of HTML, developed by Google. Website owners can create AMP versions of their pages, which look like they're coming from the original publisher's site. But in fact an AMP page is a cached version of the original page that lives on Google's servers. This makes AMP harmful to privacy, security, and the openness of the Web. Google positioned AMP as a way for website owners to make their pages faster but, ironically, they're often slower than the original publisher versions.
1010
1111[Anonymity](https://brave.com/glossary/anonymity/)
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1313In the context of Web privacy, anonymity means that when you visit a website it can't distinguish you from any other visitor, or even know whether you've visited previously. There's an important difference between anonymity and pseudonymity, which is a related (and far more common) concept. Pseudonymity means that when you visit a website the site can tell whether you've been to the site before, and may even remember what you did in previous visits, but otherwise doesn't know anything about your real-world identity.
1414
15[API](https://brave.com/glossary/api/)
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17API stands for "application programming interface." Most generally, an API is a way for software systems or pieces of code to communicate with each other-generally, for one system or piece of code to "ask" another to perform tasks, transfer data, or both. One system's API defines what other systems/code can ask it to do, and the technical details of the communication (such as data formats).
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1519## B
1620
1721[Big tech](https://brave.com/glossary/big-tech/)
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1923"Big tech" is a blanket term for large tech companies that make widely used hardware and software, and generally have a huge amount of influence on technology, the Internet, and the economy as a whole. When capitalized as "Big Tech," the term often refers to five companies: Amazon, Apple, Google (or Alphabet), Meta (formerly Facebook), and Microsoft. Several of the major Internet brands you may know are actually part of these companies, such as YouTube (Google), Instagram and WhatsApp (Meta), and LinkedIn (Microsoft).
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9599[Open source](https://brave.com/glossary/open-source/)
96100
97101Open-source software is software whose source code-the instructions that define what the software does-is published and freely available. The opposite of open source is closed source. Source code is human-readable, and software developers create software by writing it. To run software on a device, though, the source code has to be transformed into a form that's mostly unreadable to humans. That unreadable form is what you get when you download an app. Open-source software is often developed in a collaborative manner, and considered a public good, free for anybody to use. The Brave Browser, Linux operating system, and OpenOffice are examples of open-source software.
98102
99103## P
100104
105[Password manager](https://brave.com/glossary/password-manager/)
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107A password manager is software that stores the usernames and passwords to your online accounts. It can automatically fill in usernames and passwords on login pages, generate new random passwords, and sync your passwords across multiple devices. Using a password manager can save you a lot of hassle and-when used properly-dramatically improve your privacy, safety, and security online.
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101109[Phishing](https://brave.com/glossary/phishing/)
102110
103111Phishing (pronounced "fishing") refers to stealing people's passwords by tricking them, using a fake website that mimics a legitimate one. Phishing often takes place via email, with the sender pretending to be a well known person or company. Phishing messages typically invoke a sense of urgency or panic, and compel readers to take immediate action.
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105113[Privacy](https://brave.com/glossary/privacy/)
106114