iPad tariffs are the cause of frequent headaches for those eyeing up Apple’s tablet, so Three is attempting to clarify things, as well as give O2′s tariff-setters a slap across the chops. Check out this handy Three infographic (full size after the break), which pours scorn on O2′s offering. Now all we need is for O2 to find a way to hit back… How’s your glass house looking these days, Three?

