The iPhone 3G has overtaken the Motorola RAZR to become the leading handset purchased by adult consumers in the U.S. in the third quarter, according to The NPD Group. “The displacement of the RAZR by the iPhone 3G represents a watershed shift in handset design from fashion to fashionable functionality,” said Ross Rubin, director of industry analysis for NPD. “Four of the five best-selling handsets in the third quarter were optimized for messaging…
