Here's a product idea: An e-Ink Goban.

In essence, it's a fairly large, square, e-Ink screen which is touch-operated (like modern tablets) and has WiFi connectivity. It acts as a client to online Go servers, Go engines and tsumego databases.

It could, of course, have many more features than this but those are the essentials.

It's winter, here in Cape Town, and that means rain, rain and cold. A few days ago, we were blessed with a gloriously pretty, warm day and I found myself sitting in the sun trying to play Go on IGS on my laptop. Seeing the board was nearly impossible! What I needed was an e-ink Goban.

I am almost certain that no such device will ever exist but I am not without hope. After all, the nations that play the most Go are also the ones with the fabrication and manufacturing facilities to produce such a device - and cheaply.

So a big square kindle touch?

Another cool product would be a google glass IGS interface https://plus.google.com/111626127367496192147/posts . It would make christmas dinner with the in-laws more interesting. In fact as soon as I heard about that I was thinking Go apps.

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I am John. John-I-Am.

Pretty soon tablets will all be equipped with a Pixel Qi screen, or something similar. It does full colour video and no-backlight e-ink-style.
http://pixelqi.com/