StraightUpSocial News Links for 9/2/2009

Social Networking Sites Account for More than 20 Percent of All U.S. Online Display Ad Impressions

comScore releases data showing social networking sites displayed more than 20% of all ads viewed online in June 2009, in addition to who the top advertisers were.

NFL Bans Tweeting Before, During, After Games

Don Reisinger at CNET News tells us that the National Football League has pulled the plug on tweeting 90 minutes before, during and until after post-game interviews. In addition to players, team personnel, and player reps, the ban also applies to journalists.

McDonald’s: More Than 1 Million Facebook Fans Served

Eric Eldon at Inside Facebook (nice move Eric!) takes a closer look at the remarkable growth of McDonald’s Facebook fan page over the last month.