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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 Twitter or Tumblr as a form of user-generated tagging that enables cross-referencing of content by topic or theme. [ 1] For example, a search within Instagram for the hashtag #bluesky returns ...
Christopher Reaves Messina (born January 7, 1981) is an American blogger, product consultant and speaker who is the inventor of the hashtag as it is currently used on social media platforms. [1] [2] [3] In a 2007 tweet, Messina proposed vertical/associational grouping of messages, trends, and events on Twitter by the means of hashtags. [4]
A hashtag is a kind of metadata tag marked by the prefix #, sometimes known as a "hash" symbol. This form of tagging is used on microblogging and social networking services such as Twitter, Facebook, Google+, VK and Instagram. The hash is used to distinguish tag text, as distinct, from other text in the post.
ShoutYourAbortion. www.shoutyourabortion.com. #ShoutYourAbortion is a pro-abortion [1] social media campaign where people share their abortion experiences online without "sadness, shame or regret" for the purpose of "destigmatization, normalization, and putting an end to shame." Tens of thousands of people worldwide have shared their abortion ...
MD5 is prone to length extension attacks. The MD5 message-digest algorithm is a widely used hash function producing a 128- bit hash value. MD5 was designed by Ronald Rivest in 1991 to replace an earlier hash function MD4, [ 3] and was specified in 1992 as RFC 1321. MD5 can be used as a checksum to verify data integrity against unintentional ...
The symbol # is known variously in English-speaking regions as the number sign, [1] hash, [2] or pound sign. [3] The symbol has historically been used for a wide range of purposes including the designation of an ordinal number and as a ligatured abbreviation for pounds avoirdupois – having been derived from the now-rare ℔.
The front cover of edition of 14 January 2015, with a cartoon in the same style as 3 November 2011 cover, uses the phrase " Je suis Charlie ". [ 1] Slogan projected on the French embassy in Berlin. "Je suis Charlie" ( French for 'I am Charlie'; French pronunciation: [ʒə sɥi ʃaʁli]) is a slogan and logo created by French art director ...
Hashtag activism refers to the use of social media hashtags for Internet activism. [ 1] The hashtag has become one of the many ways that social media contributes to civic engagement and social movements. [ 2] The use of the hashtag on social media provides users with an opportunity to share information and opinions about social issues in a way ...