Hopeful companies show off their devices
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Image by ShowStoppers

CES is the annual Las Vegas event where tech companies do their best to impress with elaborate booths, presentations by movie stars, parties at high-class night spots and -- well, and occasionally even with the worthiness of their products. However, amid all the glitz and glamour are some smaller companies that are often just as invested in their consumer-based tech devices as Samsung, Panasonic or Dell.

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