A Facebook Comments snapshot
More than 17,000 sites have implemented the new Facebook Comments plug-in in the two weeks since it launched.
All this debate over comment quality obscured the bigger reason for sites to use Facebook Comments: it drives referral traffic from one of the most popular and fastest-growing Web sites in the world.
As Facebook points out in a blog post about Comments today, sports blog network SB Nation saw Facebook referrals increase 4x after switching. Examiner.com saw Facebook referrals double. Townsquare Media, which operates sites for radio stations, also got a lot of Facebook referrals, and nearly half of them were new visitors.