A whopping 90% of US 9-to-12-year-olds play online games, according to a just-released survey by M2 Research. Broken down by gender, 91% of tween boys and 93% of tween girls play games online, M2 says. The survey of 5,000 children and teens nationwide also found that Facebook is now the favorite Web site among boys 8-11 and girls 12-15 (Facebook's minimum age is 13 – see this earlier post of mine … [Read more...] about Fresh data on tweens’ media use