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  1. Jun 24, 2012 · The hash mark, or pound symbol, (#) is now known by social media users as a "hashtag" or "hash tag". Posts that have the same keywords prefixed with the # symbol are grouped together in user searches, bringing a level of order to the frenzied chaotic world of Twitter.

  2. Answer. The symbol known as the hashtag (#) in Twitter has a history of different names and uses in American English, including pound sign – used after a number to mean “weight in pounds,” number sign – used in front of a number to mean “number” (as in "Please review item #2 on the list"), crosshatch, and hash mark.

  3. Nov 7, 2017 · A hash has referred to stripes on military jackets since as early as 1910. But, in the 1980s, people started using hash to refer to the # symbol. Since the ascent of social media and its new prominence in everyday life, hashtag has become the favored name.

  4. en.wikipedia.org › wiki › Number_signNumber sign - Wikipedia

    Since 2007, widespread usage of the symbol to introduce metadata tags on social media platforms has led to such tags being known as "hashtags", [5] and from that, the symbol itself is sometimes called a hashtag. [6] The symbol is distinguished from similar symbols by its combination of level horizontal strokes and right-tilting vertical strokes.

  5. en.wikipedia.org › wiki › HashtagHashtag - Wikipedia

    A hashtag is a metadata tag that is prefaced by the hash symbol, #. On social media, hashtags are used on microblogging and photo-sharing services such as X (formerly Twitter) or Tumblr as a form of user-generated tagging that enables cross-referencing of content by topic or theme.

  6. Jul 27, 2020 · A word or phrase that has the hash symbol (#) in front of it, to show that it is the topic of a message on social media. Using a hashtag is a way to mark your message as belonging to a topic or theme. Other people can then search for this hashtag to find messages about something that interests them.

  7. The history of the hash symbol - New Statesman. Science & Tech. The journey and many faces of the hash symbol. From the Romans to Twitter, the hash sign – or octothorpe – has had a rich history, and now this innocuous little character has found a mighty resurgence as the hashtag. What happened along the way? By Anoosh Chakelian. Hash. Pound.

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