E Ink debuts a new electronic drawing technology

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E Ink — a name synonymous with e-reader screens — just debuted a new writing display technology called JustWrite. The tech offers the company’s familiar monochrome aesthetic — albeit in negative this time, with white on black.

The key here, as with most of E Ink’s technology, is minimal power consumption and low cost, the latter of which it was able to accomplish by dumping the TFT (thin-film-transistor LCD). Instead, it’s a thin roll that could be used to paper surfaces like conference rooms and schools, in order to let people write on the walls using a stylus with practically no latency, as evidenced in the below GIF. 

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