Apple has begun to air three new iPhone 3GS television ads. All three ads continue Apple’s recent end of highlighting different apps on an iPhone set against a white background, but while most recent spots focused on three apps each, these ads show six apps each, albeit more briefly. “Dine” focuses on TripCase, New York Subway 09, Epicurious Recipes & Shopping List, Zagat To Go ‘09, Quickoffice Mobile Office Suite, and…