Facebook T-shits Offers are Fake

Hello Everyone..
Its Facebook's Birthday and Facebook is giving free T-shits
its all Fake ! Do not click on any links if you see them on Facebook.
They will ask you for a secret email id (xyz@m.facebook.com) like this,
Never give it to them ,through this id any one can post photos,update status of your account.

it Everywhere To make people aware of it .

it to all your Friends on Facebook

Also Do you know how Safe facebook is ?
Have a Look Here Privacy Matters ?