The survey by the American Academy of Matrimonial Lawyers (AAML) shows that 81 percent of the Academy's members in the past five years have seen an increase in the number of divorce cases using social networking evidence.

Among the most popular social nets, Facebook has the dubious honor of being the leader for online divorce dirt, with 66 percent of survey respondents citing it as the primary source.

MySpace was second with 14 percent, Twitter third at 5 percent. Other online sources totaled 14 percent, according to an .

You're Being Watched

Many social networkers forget that their online behavior is easy enough to track.