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The U100 from Samsung Electronics, is a razor-thin 5.9mm thick. The new handset lacks 3G, but comes with 3-megapixel camera. The tri-band GSM/EDGE phone also comes with a media player (MP3/AAC/WMA and MPEG4/H.263), Bluetooth, USB 2.0, a document viewer and 70MB of internal memomry. Samsung had to sacrifice something on the altar of thin: in this case, memory expansion.