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Twitter is a popular "real time information network" that enjoys worldwide popularity.
- At the heart of Twitter are small bursts of information called Tweets. Each Tweet is 140 characters in length, but don’t let the small size fool you—you can share a lot with a little space. 
Fans use Twitter to keep in contact with one another. Numerous celebrities and people involved in various media industries also post to Twitter, making the boundaries between fans and celebrities blurred, as Twitter allows for direct interaction.
The day's tweets can be cross-posted to LJ, which some people find deeply annoying.The character limit has changed.
Use Among Fans
The 280-character limit makes it so that most fans use Twitter for more casual conversation that they feel don't belong on their main tumblr or journal. Often, ideas for meta and fanfiction first brought up on Twitter will then be expanded and polished and be posted on the fan's main website. Collaborative headcanons, notfic (which can then develop into a proper story) and general brainstorming is common on Twitter. Tumblr-based users may also find it useful to have a locked Twitter to use for rl updates they wish to share only with a selected group of people.
Some fans engage in "live-tweeting", where they post their reaction to media, usually television shows, as they are watching. This will often stimulate discussion with other fans.
Given the nature of Twitter as a site where parody accounts of celebrities abound, this has extended to fandom too, in this case including characters.
Fans & Celebrities
Direct interaction can sometimes have negative consequences as celebrities say offensive or ignorant things, or fans cross boundaries by posting links to fanfic.
While many Star Wars fans welcomed actress Kelly Marie Tran and her Star Wars: The Last Jedi character Rose Tico into the fandom, both she and her character were subjected to horrible racist and sexist abuse online, leading to her deleting her social media accounts.
On July 23, 2013, then-Total Nonstop Action Wrestling promoter Dixie Carter launched the hashtag AskDixie, encouraging fans to ask her anything. Unfortunately for her, they did, as the fans responded with numerous questions about why the company was so poorly run and why the product was so terrible.
Common Twitter Terms
- lrt: short for last retweet. A tweet preceded by this abbreviation is intended as a reaction to what the user has just retweeted.
- t-list: the people someone follows on Twitter.
- oomf: One Of My Followers or One Of My Friends. usage is similar to "mutuals."
- Twitter, Television and “Drop-In” Fandom, Archived version by Keirdra for The Learned Fangirl (2012)
- About Twitter (Accessed Sept. 25, 2011)
- for example the Twitter RP group Cumberholmes
- examples: HarriedWizzard, John Marcone, JohnMarcone, sgtkarrinmurphy, mouse_the_dog, WardenSexypants, PadawanMolly, SigrunGard, DonarVadderung, Toot Toot, Godmother_Leah, Hellhound4Hire, BlackstaffMcCoy et al.
- See for example Emo Kylo Ren
- "'Star Wars' Actress Kelly Marie Tran Leaves Instagram After Harassment" on Variety.com