“I heard there were a lot of people saying they had found out things about their partners on Facebook and I decided to see how prevalent it was,” Mark Keenan, Managing Director of Divorce-Online tells the Telegraph. “I was really surprised to see 20 per cent of all the petitions containing references to Facebook.”

Keenan says the most common reason Facebook was mentioned in the divorce petitions was due to married persons having sexual chats with people outside of their marriages.

While these numbers come from across the pond, San Francisco divorce attorneys agree that the site leads many spouses to be tempted to cheat on their husbands or wives.

To read more about the issue, see the article in the New York Daily News. Image Via pmarkham [Flickr].