Lion's AirDrop feature makes sharing files between computers as simple as drag-and-drop. Here's what's going on behind the scenes to make that magic happens.

Apple's new wireless file transfer system, AirDrop is all about making impromptu shares with the users around you, and doing it in an incredible straightforward way.

Using two interlocking flash drive-like USB sticks, iTwin allows two remote computers to access one another's complete hard drives via a secure internet connection.