Back in August, I told you that Twitter wasn’t very popular with teens. PC World studied the issue and concluded that only about 11% of Twitter users are between the ages of 12-17. That was then, this is now. New studies conducted by a variety of sources are showing the 12-17 demo is now surging to Twitter. The kids may have been late to the party, but now they’re crashing it. Brian Solis from PR 2.0 believes as I do that celebrities are the biggest reason for the sudden shift. Twitter has made the everyday lives of celebrities more accessible than ever before and kids are all over it. Celebrities...