I had some trouble signing up for free Cafe Bustelo coffee on Facebook, but I think it's worth the hassle. Look at how happy those people are! They're either so in love with this coffee that the mere thought of it makes them want to dance or they're on drugs. I'm pretty sure those are the only two explanations. Either way, I'm in!
Note it forces you to share this offer with a friend. If you've set up a dummy account, just friend your regular account and share it with yourself.