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  2. Hashtag - Wikipedia

    en.wikipedia.org/wiki/Hashtag

    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 ...

  3. Tag (metadata) - Wikipedia

    en.wikipedia.org/wiki/Tag_(metadata)

    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.

  4. Chris Messina (open-source advocate) - Wikipedia

    en.wikipedia.org/wiki/Chris_Messina_(open-source...

    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]

  5. Blockout 2024 - Wikipedia

    en.wikipedia.org/wiki/Blockout_2024

    Blockout 2024 (stylized as the hashtag #Blockout2024), variously referred to as Operation Blockout or Celebrity Block Party, is an online movement to block the social media accounts of celebrities and organizations, related to their silence over or support toward Israel in the war in Gaza.

  6. Social media - Wikipedia

    en.wikipedia.org/wiki/Social_media

    Social media. Social media are interactive technologies that facilitate the creation, sharing and aggregation of content, ideas, interests, and other forms of expression through virtual communities and networks. [1] [2] Common features include: [2] Online platforms that enable users to create and share content and participate in social networking.

  7. Internet activism - Wikipedia

    en.wikipedia.org/wiki/Internet_activism

    Internet activism. Internet activism [a] involves the use of electronic-communication technologies such as social media, e-mail, and podcasts for various forms of activism to enable faster and more effective communication by citizen movements, the delivery of particular information to large and specific audiences, as well as coordination.

  8. Hashtag activism - Wikipedia

    en.wikipedia.org/wiki/Hashtag_activism

    Hashtag activism refers to the use of Twitter 's 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 that ...

  9. Instagram - Wikipedia

    en.wikipedia.org/wiki/Instagram

    v. t. e. Instagram [a] is a photo and video sharing social networking service owned by Meta Platforms. It allows users to upload media that can be edited with filters, be organized by hashtags, and be associated with a location via geographical tagging. Posts can be shared publicly or with preapproved followers.