Las Vegas (CNN Business)The largest technology show in the world has a large amount of mediocre gadgets and a small handful of gems.

On the eve of CES 2019, the annual consumer technology conference in Las Vegas, reporters and aspiring tech companies fill a conference hall for a first look at some of this year’s offerings. The “CES Unveiled” event is a chance to see what technology themes will fill up the show this year.
Many of the companies showed similar innovations, such as the multiple smart-home security cameras and various fuzzy robots for children who have tired of their human playmates. There were funny but forgettable entries, such as a water bottle with a Bluetooth speaker, and a refrigerator that detects when you are out of beer and orders more.
The event showcased a few interesting ideas, but not all will make it to market.
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