as two empires -- one high-tech, one high-rise -- clash in explosive PR fury. Since these two heavyweight memes have climbed into the competitive media ring of their own volition, we thought we'd size them up for you. As Stephen Colbert would say: "Pick a side -- we're at war!"Simple to use.Simple.Well-protected against viruses.Has herpes.Critics complained battery life too short.Critics complained prison life too short.Provides driving directions.Knows how to drive. (Sort of.)Responds to touch from multiple fingers at once.Responds to touch from multiple fingers at once.Wants to be held by everyone.Wants to be held by her mother.Sexy footage leaked onto the net.Sexy footage leaked onto the net.Appeared in multi-million dollar ad campaign.Appeared in House of Wax. Everyone wants what's in the box.Everyone knows what's in the box.Feel free to make your own comparisons in the comments...