Taking subtle shots at the iPhone is a common trope in smartphone advertising nowadays, but Samsung's dispensed with the subtlety and gone straight for the jugular. The Korean company's latest Galaxy S II promo is loaded up with some cutting anti-iPhone smack talk, spanning everything from the perceived fickle nature of iPhone buyers to the Apple phone's shortcomings on the 4G and screen size fronts. It's the most unabashed expression yet of the growing disharmony between the two companies. Well, this and the litany of patent disputes they're now fighting all across the globe.