Man, just when we thought there couldn't be anything cooler than a post-show thong autographed by Carrot Top, along comes something even AWESOMER! Seems "Chicago's very own" Fall Out Boy's Pete Wentz swung by the offices of Billboard magazine for a video chat (which you can see HERE) and took time out to sign two copies of Billboard for some lucky fans who can register HERE to win a copy of the magazine.