A recent Nielsen Company study has confirmed that the percentage of Twitter users 25 and younger is significanty lower than the percentage of the same group on the web as a whole. This indicates that Twitter’s recent growth is fueled completely by adult users which runs counter to most people’s intuitive sense that young people are mavens with all things social media.

64% of the current Twitter audience is in the 25-64 year old age bracket which suggests the growing exploration of Twitter amongst those seeking business applications for it. See the chart below:

What are some of your theories about the appeal or lack of appeal of Twitter to different age groups?