The Ring Wall is world’s largest touchscreen

I’m going to be visiting Vegas in a little while for CES, and I heard that the Vegas Hard Rock Cafe has a huge touchscreen that I just have to see (and touch, of course).
That particular touchscreen is 18 feet x 4 feet, but the Ring Wall in Nurburg, Germany is 45 meters long and two meters high. It has 15 high definition projectors for up to 34.5 million pixels worth of display. Nice!

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