I was too cool for chain letters, but still a sucker for posting "which character are you?" quizzes.
You can post 140 character messages that describe anyone you think is "hot" that has caught your eye.
But she said recently she had grown "frustrated" with it and has set up a rival site - Menshn - which aims to keep conversations on topic and allow people to post 180 character messages - 40 more than Twitter.
In our current post-character-actor moment, Hoffman was creating a new conventional style for younger actors to react against, just as Pacino had for the previous generation.
Casting calls for the show included a posting for a character called Legendary Fighter, who many believe is Ser Arthur Dayne, a famed Dornish member of King Aerys's Kingsguard.
It started two years ago as a bare-bones service, offering little more than the ability to post 140-character messages.
But some might argue that running AK-47s and rocket launchers to terrorists, and using Twitter, which allows groups to post 140-character missives online, are two very different things.
#Now lets Yakkers post 18-character, super-short status updates that disappear in 24 hours.
Twitter is a popular social networking and microblogging site where users can post 140-character messages containing text and hyperlinks, called tweets, and interact with one another in a variety of ways.
Stanford University students Jack Hong, now 30, Benjamin Tsiang, 28, and Hurst Lin, 33, were tinkering with Hong's software, written to publish mechanical drawings for the Web, when they discovered they could modify the graphical interface to post Chinese characters on the Internet.
