Twitter

Twitter is a social networking service on the Internet, in which one can communicate with other people in messages of up to 280 characters. Muggle author J. K. Rowling is a member of twitter, and used the service to rally support for the Scottish rugby team via the hashtag #wizards4scotlandrugbyteam.
== Behind the scenes ==
* In its only in-universe mention in the series, Twitter is incorrectly spelled with a lowercase "t" (twitter).
* Various individuals and companies associated with the Harry Potter series have accounts on Twitter, including J. K. Rowling, Pottermore and even the film series itself.
== See also ==
* J. K. Rowling's Twitter account