If you are not aware of it before, Bing Rewards program allows you to collectÂ credits based on the number of searches you do on Bing. You can redeem your Bing Rewards Credits with Skype Credits, Amazon Gift Cards and various other stuff. Now, Microsoft has added Windows Phone 8X by HTC to the rewards list. You can use 15 Bing Credits for 1 sweepstakes entry to win Windows Phone 8X. Check it out in the source link below.