Generally in court, documentary evidence such as records, letters, bills, contracts, and similar writings have to be authenticated or identified before being admitted in evidence as genuine.
Being to open on social networks has led to a surplus of evidence in divorce cases. Studies have shown throughout the United States that a growing number of family law attorneys have used or faced evidence pulled from Facebook, MySpace, Twitter and other social networking sites, including YouTube and LinkedIn, over the last five years. About one in five adults uses Facebook for flirting, according to a 2008 report by the Pew Internet and American Life Project. I litigated a child custody case last year where I was able to use a father's adult advertisement on MySpace to obtain a custody order that was very favorable to my client. So the next time you post something on a social network site, you should ask yourself at least one question, whose watching?