From the front it looks like any other iPhone 4, but flip it around and a glint might catch your eye -- that's the doing of Russian technology tailor Gresso, who's embedded Swarovski crystals and an 18-karat golden Apple logo in a sheet of African Blackwood attached to the device. As usual, one wonders why anyone would bother, but honestly we can't complain -- the design is worlds more tasteful than the solid gold and diamond-encrusted contra
