Devilishly Clever Ad Distributes Free Cake Samples to Passersby

There have been some strange ad innovations popping up at bus stops in London recently. First came the icky-sounding smell-vertising that emitted the scent of a baked potato to induce cravings in hungry commuters, and now there's a new innovation—though this one sounds more promising because it involves actual cake.… » 3/14/12 11:55pm 3/14/12 11:55pm