Here is a cool system that turns your TV interactive. GoTouch combines with your projector or TV to create a giant whiteboard to write and draw on. Since this is an internet-connected device, your colleagues will be able to collaborate with you from anywhere in the world.
GoTouch can be set up in minutes. It works with almost any TV or projector. It is compatible with iOS and Android devices. It has a 4K camera to track the infrared light in the Pen for accurate performance. This interactive tool is currently getting funded on Kickstarter.
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