5G isn't a small upgrade. Verizon says it could be up to 50 times faster than current 4g speeds. You could download an entire full-length movie in 15 seconds.

5G is also expected to be more energy-efficient and precise.

However, it's still a few years out — Verizon won't be deploying it until 2017. Other countries hope to roll it out by 2020.

Read CNET's full breakdown.

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Atlanta art and antiques appraiser and auctioneer Allan Baitcher (right) takes bids during a 2020 auction. Baitcher and his company, Peachtree Antiques, are being sued by a Florida multimillionaire who says he paid them $20 million for fakes. (AJC 2020)

Credit: Phil Skinner / Staff