Yes, social networks are fun (and movies about social networks are kind of fun too, in their own sensational way). Yet they have become a breeding ground for the worst nasties on the Web.
A passle of surveys and statistics have come out lately detailing how
much of a risk social media presents, most especially to employers. It
has become the delivery method of choice for bot masters and malware
fiends; it is rapidly becoming the medium du jour for scam artists; and
it presents an ever present and growing risk of accidental disclosures.