More than 550,000 Samsung Yu-Na Haptic phones sold in 80 days

Samsung has announced that they have sold more than half a million of its Yu-Na Haptic aka Samsung SCH-W770/SPH-W7700/W7750 (depending on operator) in 80 days. It's ok if you haven’t heard of the device, because it’s Korea-only device. Samsung Yu-Na Haptic features a 3 megapixel camera, a 3-inch haptic touchscreen, Bluetooth, DMB mobile TV, media player, and a microSD memory card slot.