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  2. Unique identifier - Wikipedia

    en.wikipedia.org/wiki/Unique_identifier

    Unique identifier. A unique identifier ( UID) is an identifier that is guaranteed to be unique among all identifiers used for those objects and for a specific purpose. [1] The concept was formalized early in the development of computer science and information systems. In general, it was associated with an atomic data type .

  3. Universally unique identifier - Wikipedia

    en.wikipedia.org/wiki/Universally_unique_identifier

    Universally unique identifier. A Universally Unique Identifier ( UUID) is a 128-bit label used for information in computer systems. The term Globally Unique Identifier ( GUID) is also used, mostly in Microsoft systems. [1] [2] When generated according to the standard methods, UUIDs are, for practical purposes, unique.

  4. Facebook - Wikipedia

    en.wikipedia.org/wiki/Facebook

    Facebook enables users to control access to individual posts and their profile [320] through privacy settings. [321] The user's name and profile picture (if applicable) are public. Facebook's revenue depends on targeted advertising, which involves analyzing user data to decide which ads to show each user.

  5. Identifier - Wikipedia

    en.wikipedia.org/wiki/Identifier

    An identifier is a name that identifies (that is, labels the identity of) either a unique object or a unique class of objects, where the "object" or class may be an idea, physical countable object (or class thereof), or physical noncountable substance (or class thereof). The abbreviation ID (or Id) often refers to identity, identification (the ...

  6. ORCID - Wikipedia

    en.wikipedia.org/wiki/ORCID

    ORCID. The ORCID ( / ˈɔːrkɪd / ⓘ; Open Researcher and Contributor ID) is a nonproprietary alphanumeric code to uniquely identify authors and contributors of scholarly communication [1] as well as ORCID's website and services to look up authors and their bibliographic output (and other user-supplied pieces of information). This addresses ...

  7. Snowflake ID - Wikipedia

    en.wikipedia.org/wiki/Snowflake_ID

    Snowflake IDs, or snowflakes, are a form of unique identifier used in distributed computing. The format was created by Twitter (now X) and is used for the IDs of tweets. It is popularly believed that every snowflake has a unique structure, so they took the name "snowflake ID".

  8. Identity document - Wikipedia

    en.wikipedia.org/wiki/Identity_document

    The identity document is used to connect a person to information about the person, often in a database. The connection between the identity document and database is based on personal information present on the document, such as the bearer's full name, age, birth date, address, an identification number, card number, gender, citizenship and more.

  9. ID Protection by AOL - AOL Help

    help.aol.com/articles/id-protection-by-aol

    Around the clock protection: MyReputation Discovery ® provides 24-hour monitoring for mentions of your address, phone number, or other information on the web. ID Protection by AOL works around the clock to help secure your identity, usernames, passwords and personal information. With the amount of data being stolen and exposed by criminals and ...