'A mouse for your mouth': New device allows users to scroll with their tongues

This is the best summary I could come up with:

MouthPad^, a retainer-like trackpad chip that sits on the roof of the mouth, made its debut at the Consumer Electronics Show this week.

Halliwill, along with the company’s co-founders, Corten Singer and Tomás Vega, developed the device after friends and family who were paralyzed struggled to find the right technology that suited their needs.

Some competitors already on the market include Tecla, a company that offers different switch types depending on the user’s range of motion.

There are also free apps, like Open Sesame, available on smartphones that can track a user’s head motions instead of the typical touchscreen.

Over the past six months, users have been testing out the product, including a current college freshman and mechanical engineering major who has been using MouthPad^ as her primary input device for her computer and phone.

On the side, a small bump that holds the Bluetooth antenna and wireless charging battery sticks out and lays against the cheek.

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"you were so preoccupied with whether or not you could, that you didn't stop to think about whether you should."