He's 26. Apple offered him $8.4 million for the tongue-controlled retainer he 3D-prints in a San Diego apartment on a $180 Prusa. He said no
— Carat (@Caarat1) August 8, 2026
The retainer sits inside your mouth like an Invisalign tray. Inside it: a miniature accelerometer array wired to a Bluetooth LE chip, all… https://t.co/9I7DouwUX9 pic.twitter.com/ZSHfNyUzxU
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