We're in the middle of running an iPad giveaway and it's hitting all the targets we set. Prior to the iPad, we've tested various types of giveaways to incent v

We're in the middle of running an iPad giveaway and it's hitting all the targets we set. Prior to the iPad, we've tested various types of giveaways to incent various actions and found that the best responses came from either big prizes or small, guaranteed prizes. YMMV.