To Bring Virtual Reality to Market, Furious Efforts to Solve Nausea

http://www.nytimes.com/2015/03/05/technology/solution-to-nausea-puts-virtual-rea...

In explaining why Oculus has gone slow, Mr. Carmack described what he called a “nightmare scenario” that has worried him and other Oculus executives. “People like the demo, they take it home, and they start throwing up,” he said.

Hm.