The other half was visual and graphic: Singlcue's developers had to design a simple, universal set of symbols to represent standard commands such as lower volume, pause video, skip ahead. Finger-waves toggle this menu of symbols seen on the Singlecue's small digital screen.  Photo 2 of 4 in A New Product Controls Your Smart Home with a Wave of Your Finger by Zach Edelson

A New Product Controls Your Smart Home with a Wave of Your Finger

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The other half was visual and graphic: Singlcue's developers had to design a simple, universal set of symbols to represent standard commands such as lower volume, pause video, skip ahead. Finger-waves toggle this menu of symbols seen on the Singlecue's small digital screen.