"NEPTUNE TOWNSHIP, N.J. – A pastor who said Facebook was a "portal to infidelity" and told married church leaders to delete their accounts or resign once testified that he had a three-way sexual relationship with his wife and a male church assistant."


http://news.yahoo.com/s/ap/20101120/ap_on_re_us/us_pastor_facebook_edict


Also, on a personal note, Facebook Chat has led to recent booty calls from an unhappily-married woman.....