![The Shiftall Mutalk mouthpiece puts a Bluetooth microphone over the mouth to quiet a user's voice.](https://ktvz.b-cdn.net/2023/01/hypatia-h_a4130a42884c7b19e335c440762a7a8b-h_5ebabf68ea825e11cf6002daa974259b-300-375x225.jpg)
From color-changing cars to self-driving strollers, here’s some of the coolest tech from CES 2023
By Samantha Murphy Kelly and Jennifer Korn, CNN A long list of companies once again showed off an assortment of cutting edge technology and oddball…
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