Promising Sleight of Hand, Someday - NYTimes.com

Perhaps not ready for prime time; also see How to Control a PC in Thin Air (All Things Digital)

"In short, the Leap Motion Controller is a solution in search of a problem. It desperately needs a killer app, some program that couldn’t exist without the Leap’s special talents: tracking the three-dimensional motions of 10 individual fingertips with incredible precision.
[...]
It’s very exciting that the Leap controller has attained excellent hardware design, high precision, excellent speed and low price — today. Unfortunately, the software that will justify its existence still lies in the future."

Promising Sleight of Hand, Someday - NYTimes.com