Twitter Stats from Neilsen Online

Neilsen Online released some new stats on Twitter usage and demographics. The report, Twitter's Tweet Smell of Success, notes that Twitter saw a 1,382% increase in unique visitors year-over-year. twitter went from 475K unique visitors in Feb 2008 to 7M in Feb 2009. The report also broke out the current demographics of Twitter users.

• Age 2 -17 3.6% (250,000 Unique Users)
• Age 18 -24 Insufficient sample size
• Age 25 - 34 19.6% (1,379,000 Unique Users)
• Age 35 - 49 41.7% (2,935,000 Unique Users)
• Age 55+ 16.6% (1,165,000 Unique Users)
• Age 65+ 6.8% (477,000 Unique Users)