Over 700 billion minutes are spent each month on Facebook.

Tim Chester has some wise thoughts on Facebook, the good, the bad and the potentially dangerous here and here.

Below are some of the warning signs that Facebook (and twitter, blogs ….) might have a control on us they ought not to:

• Do you check your Facebook page more than once or twice a day?
• Do you spend more than 20 minutes a day on Facebook?
• Do you find it difficult to imagine a day without technology?
• Have you ever read a text or gone online during our gathering?
• Have you stayed up beyond your normal bedtime because you were on Facebook or playing online games?
• Do you use your mobile phone during meals or keep it in the bedroom?