This clock is actually labeled as a USB Digital Thermo Clock Air Purifier. Odd name, yes, but it accurately describes everything that this little USB device does. It can purify the air around you (probably not much, though), and tell you the time, temperature and date all while glowing. It is available through Brando for $36.
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Dumb question but what happens when the computer is off. I see no mention of a battery back up?
Would suck to have to reset the time and date everytime you start up your computer.