We already have seen evidence of advertising in video games. Still reaching out to techie voters, the Obama campaign now has a billboard in the Xbox 360 game Burnout Paradise. Any advertiser can buy space, including those with presidential ambition. On the other side of the fence, the McPalin group has sent a letter to YouTube complaining that the site doesn’t consider fair use in videos before taking some of them down. You can read the entire document at Techdirt.