How are writers and publishers using Twitter hashtags?
List of folks to follow.
List of memorable tweets from Quora
Jan 2 2012 - LA Times blog - examples of how police are using social medai
David Carr on Rupert Murdoch's use of Twitter, with a few other executives thrown in
Feb 2012 (updated) - Twitter resources for teachers
Mar 12, 2013 - WSJ - referencing
http://ftc.gov/os/2013/03/130312dotcomdisclosures.pdf