These are all of our recent reports examining Americans' use of the status update or "microblogging" service Twitter. As of May 2011, 13% of online adults are Twitter users.

Twitter Update 2011
Jun 1, 2011
13% of online adults use Twitter, and half of Twitter users access the service "on the go" via mobile phone

8% of online Americans use Twitter  
Dec 9, 2010
Eight percent of online adults use Twitter. It is particularly popular with young adults, minorities, and those who live in cities.

See also:

• Topic: Social Networking
• Topic: Web 2.0