Some 19% of internet users now say they use Twitter or another service to share updates about themselves, or to see updates about others. This represents a significant increase over previous surveys in December 2008 and April 2009, when 11% of internet users said they use a status-update service. Three groups of internet users are mainly responsible for driving the growth of this activity: social network website users, those who connect to the internet via mobile devices, and younger internet users – those under age 44.

It will probably become more difficult to track status updating as an independent activity as social network updates feed into Twitter and vice versa. For now, it is clear that a “social segment” of internet users is flocking to both social network sites and status update services. This segment is likely to grow as ever more internet users adopt mobile devices as a primary means of going online.

Read more in Twitter and Status Updating, Fall 2009.