IF this is true, then file it as a bug with Facebook, and claim the bounty!. You'll possibly get up to USD 10K depending how it is classed - I'd certainly say t

IF this is true, then file it as a bug with Facebook, and claim the bounty!. You'll possibly get up to USD 10K depending how it is classed - I'd certainly say that if you have disabled showing your birthday on the timeline and yet it still appears, even to non-friends, then that's a pretty serios information leakage. So, rather than taking them to court, work out how to reproduce it, and get your free money...