IT security administrators have had a fairly easy case to make against social networking sites as Myspace in the past. Facebook and Twitter straddle an increasingly squishy line between the personal and professional. Security practitioners are pushing the corporate world to update policies for what employees can and can’t do when using company computers online. CSOonline conducted an informal poll — ironically via LinkedIn — asking security pros if it makes sense to update user policies as Fitzgerald suggested. Some security pros believe it’s a mistake to get too specific with user policies.”]