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Title: The best at what it does, what it is
Review: An excellent, minimalist interface in a PC Card format. Tiny, wearable, perfect for a no-frills organizer, Rex is approximately parallel to the functionality found in a Palm's four main buttons (calendar, address book, to-dos, memos). The Rex adds a few more tricks like a two-clock multi-timezone view, but can't run third-party software, do email, write with a stylus, or beam via IR. But if you're looking for an organizer you're not necessarily looking for those features. The real downside for me is the slow (though passable) data entry when away from a computer. The upside is that, lacking a touchscreen interface, the view on the Rex is razor sharp.
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