This fascinating chart from Silicon Alley Insider (via social media optimization), goes through the current Twitter demographics. With Twitter traditionally having been seen as the preserve of the over 25s or even over 30s, it’s interesting to see that the highest rate of growth comes from the under 24s.
At the end of 2009, tweeple 24 and under accounted for 30%, up from 20% at the end of 2008. A sign that it might slowly be broadening its appeal from 30 something bloggers and early adopters?