Notes on events related to readings and likes

  • Who read the diary and when is displayed to the contributor (mixi’s footprint function).

  • In group chats, it shows who has already read the message (e.g. LINE).

  • One-click response to a user’s post is invented (Twitter fav, Facebook like)

    • Widely used because it is easier than sending a verbal reply
    • It is unclear whether Twitter, which originally released this feature under the name “Favorite,” was aware of this usage.
    • Facebook introduced this feature on February 9, 2009
      • FriendFeed seems to have introduced it in 2007 (later acquired by Facebook).
    • Many groupware incorporate a “like” function.
    • Likes will be used to express that you have read in tools that do not have a read indicator
    • Older users like all the posts they have already read on Facebook, etc., which makes younger users feel uncomfortable.
  • Like” diversifies.

    • In 2012, Facebook added “Love”, “Haha”, “Wow”, “Sad”, and “Angry”.
  • Not good.

    • down vote
    • Slashdot, Reddit, StackOverflow, and others used it as a rating function for posts
    • Facebook has a policy of not including a down vote feature.
  • Stamp functionality introduced in chat tools.

    • Facebook Messenger and other services can return “likes” with a single click.

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