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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 .
User identifier. Unix-like operating systems identify a user by a value called a user identifier, often abbreviated to user ID or UID. The UID, along with the group identifier (GID) and other access control criteria, is used to determine which system resources a user can access. The password file maps textual user names to UIDs.
Unique user. Website popularity is commonly determined using the number of unique users. "Unique" refers to the number of distinct users to a website and does not count repeat visits to a website by the same user. [1] [2] A website's number of unique users is measured over a standard period of time. The metric is often quoted to potential ...
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.
Twitch is an American video live-streaming service that focuses on video game live streaming, including broadcasts of esports competitions, in addition to offering music broadcasts, creative content, and "in real life " streams. Twitch is operated by Twitch Interactive, a subsidiary of Amazon. [4] It was introduced in June 2011 as a spin-off of ...
YouTube is an American online video sharing platform owned by Google. Accessible worldwide, [note 1] it was launched on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim, three former employees of PayPal. Headquartered in San Bruno, California, United States, it is the second most visited website in the world, after Google Search.
YouTube is an American online video-sharing platform headquartered in San Bruno, California, founded by three former PayPal employees— Chad Hurley, Steve Chen, and Jawed Karim —in February 2005. Google bought the site in November 2006 for US$1.65 billion, since which it operates as one of Google's subsidiaries .
The original video by Pinkfong is now the most viewed video on the site. On October 29, 2020, Baby Shark surpassed 7 billion views, and on November 2, 2020, it passed Despacito to become the most viewed video on YouTube. On February 23, 2021, Baby Shark surpassed 8 billion views, becoming the first video to do so.