Two attendees look at their smartphones while getting their teeth whitened at the BleachBright booth at the International CES, Wednesday, Jan. 7, 2015, in Las Vegas. (AP Photo/Jae C. Hong)
Photos of the Day: January 7, 2015
Two attendees look at their smartphones while getting their teeth whitened at the BleachBright booth at the International CES, Wednesday, Jan. 7, 2015, in Las Vegas. (AP Photo/Jae C. Hong)
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