User blog comment:Bovell/Lots of new Battlefield 3 details via Twitter, DreamHack festival, PSM3, and interview/@comment-3326681-20110629234141

I have several questions for Battlefield. 1. Where is Battlefield 3's main points of innovation (new ideas, not seen previously in the series)? 2. How will the classes work together (Ammo, reviving)? 3. How will Back at Karkand be significantly different with Frostbite? 4. Which game(s) should I play to prepare me for Battlefield 3