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NRF Expo: The 4 Coolest Things We Saw at Retail's BIG Show

The annual National Retail Federation Expo isn't exactly overflowing with consumer-facing innovations: Most of the floor space goes to companies pitching behind-the-scenes gear and software for merchants. Still, there were some cool technologies on display that caught our eye.

Best Buy Settles Overcharging Charges

Electronics retailer Best Buy has agreed to pay $399,000 to settle allegations that it advertised lower prices on its website, then charged customers higher prices at some of its stores.