Commonly found at the bottom of cereal boxes: cheap plastic toys and, now, Usher singles? Yes, a code to download Usher's new song, "Clueless," will be available inside select boxes of Honey Nut Cheerios at nationwide Walmart stores, Billboard reports. No one's sure if the exclusive single will appear on Usher's much-anticipated eighth studio album, rumored to be titled UR and originally scheduled to be released this year but now indefinitely delayed. "The album isn't scheduled anymore," he told Billboard in September. "I've basically taken it back. I'm taking my time with it." (More Usher stories.)