Twitter traffic not from the “youngins” as one might think

Comscore.com:

"What he discovered was that 18-24 year olds, the traditional social media early adopters, are actually 12 percent less likely than average to visit Twitter (Index of 88). It is the 25-54 year old crowd that is actually driving this trend. More specifically, 45-54 year olds are 36 percent more likely than average to visit Twitter..."