Does Facebook really lead to divorce?

Facebook is popping up in divorce cases as all those pokes, instant messages and high school flames catch up with folks with cheatin’ eyes, according to one rather unscientific story.
The Telegraph in the UK reports that Facebook is fueling divorce claims:
One law firm, which specialises in divorce, claimed almost one in five petitions they processed cited Facebook.
Mark Keenan, Managing Director of Divorce-Online said: “I had heard from my staff that 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 I was really surprised to see 20 per cent of all the petitions containing references to Facebook.
“The most common reason seemed to be people having inappropriate sexual chats with people they were not supposed to.”
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