How To prevent facebook hacking????

Many of us might have faced the problem of facebook hacking  or might have seen happening with friends....But we don't knw how to prevent this........
        there are few steps which are if folowed then ou account can never be hacked......
1.  like we should not use facebook apps which are not made by facebook because this way our   passwords can be stealed.....
2   If we are using fb at cafe then we should change password after reaching home

3. We should use master passwords for our browsers.....

These are the steps which can save us from hacking.....