BusinessWeek onlineの記事で,こんな文章が。 Even sites typically associated with teens are playing to a wider audience. Who knew that 10% of MySpace (NWS) users are older than 55—and that the proportion of MySpace users in the 12 to 17 range has dropped to 17% from 22% in the year through May? More than one-third of Facebook users are older than 35, and more than half of YouTube's faithful are between 35 and