According to a the survey, feuding couples are increasingly complaining about their spouse's behaviour on Facebook in divorce filings, with inappropriate messages to the opposite sex being the biggest cause for complaint.
More than %33 of divorces last year listed Facebook as a contributing factor, a study of 5000 divorce petitions by UK law firm Divorce-Online found.
The figure has shot up from just %20 in 2009. "If someone wants to have an affair or flirt with the opposite sex then Facebook is the easiest place to do it," Divorce-Online spokesman Mark Keenan was quoted by the 'Daily
Incriminating status updates, suspicious check-ins at restaurants and inappropriate photographs being posted online were all increasingly being used as evidence in divorces.
"People need to be careful what they write on their walls as the courts are seeing these posts being used in financial disputes and children cases as evidence," Keenan said.
According to the American Academy of Matrimonial Lawyers, %80 of US divorce attorneys said the number of cases using the social network had increased.
Even when affairs develop offline, Facebook provides a forum for couples to inadvertently arouse the suspicions of their partners.
The UK study also found couples who had already split up were using Facebook to vent about each other, posting comments for all their friends to see.
Source: IBN Live