The recent failure of retailers such as HMV, Jessops, Blockbuster, Game, Comet and Play.com, and reports suggesting that 600 shops closed last year, have raised the question about what's to blame for the high street's struggles, and some are pointing the finger at Apple.Related StoriesApple Japan's top phone maker in 2012, says research firmApple makes more from iTunes and accessories than rivals do from selling phones - report
