In the video, he refers it to as "lowering cost of computing", but it doesn't lower the cost of computing.
He also refers to it as a computer even though it isn't a computer.
The standard model has a resolution of 1440 x 900 or 1280 x 1024. Haven't we been able to have higher resolution with 15-year-old graphics card?
He says it reduces the cost of computing to $50 per user, but it doesn't, because it needs a computer, mouse and the screen so the real TCO is significiantly higher.
It only have USB 2.0 instead of the newer USB 3.0.
On the flip side, I think it is really great that it is open hardware!