10 commandments of Facebook Wonder how much of personal information is fine on Facebook? Well, an expert tells you the dos and don'ts of being a part of the social networking giant. Dave Whitelegg said that although Facebook is a fun way to keep in touch with friends and family, it can also be dangerous. "Posting certain photos or information on the site puts you at risk of being fired, a victim of crime, or even worse. There are computer programmes called 'data mining' that sweep Facebook to collect dates of birth, phone numbers, addresses etc. That's gold dust to criminals," the Sun quoted Whitelegg, an IT security expert, as saying. Here are the 10 things you should never post on Facebook and why. Date and place of birth- This places you at massive risk of identity theft. They are the most commonly used security questions on password resetting sites. Mother's maiden name- A lot of sites use your mother's maiden name to authenticat...