The public release of the Leap Motion controller has been delayed until July because the company feels it needs a longer beta test, reports TechCrunch. Best Buy has sent notifications to customers who preordered the device, and Leap today said the device will ship July 22th. Leap Motion's controller is a touch-free device that allows users to control their computers via hand gestures in three dimensions. It works in conjunction with the Leap Motion software, and development units have been sent to 10,000 developers around the world. Leap Motion says