Is it time to change your password? Enter your email address and verify whether it appears in a collection of databases released by hackers to the public.

Learn what works when it comes to Facebook advertising. This list compiles 18 tips on color, image selection, copy and more.

If you make a spelling mistake while typing in Skype chat, hit the up arrow on your keyboard. This will highlight your last entry and allow you to correct your error. The correction will appear on your Skype screen as well as the screen of the person you're chatting to.