Is The Social Media Party Winding Up?

Perhaps it’s the siren call of summer, but the sizzling growth of social media sites in 2006 showed signs of cooling in June.

Both ComScore Media Metrix and Nielsen//NetRatings (owned by Adweek parent VNU) reported U.S. visits to sites like MySpace and Facebook trailed off in June. Visitors to MySpace grew less than 2 percent from the previous month to 52.3 million, after averaging 7 percent monthly growth this year, per ComScore. Facebook, which is heavily dependent on college users, saw its visitors drop 2 percent in June to 13.8