This AR.Drone Quadricopter comes with on-board WiFi and two cameras, which means you can pilot it and view the video image from your iPhone, iPod Touch or iPad. The thing even features augmented reality code to let you play games with air-to-air missiles and such. Oooh, I hear you say. $299.99.
https://www.youtube.com/watch?v=927wLQ51GLg
With its built-in Wi-Fi system, you can control the AR.Drone using the built-in accelerometer in your iPhone, iPod touch, or iPad device. On-board cameras (one forward facing, one facing down) let you see in realtime what the pilot sees as you complete complex flight maneuvers…Powerful processing lets the AR.Drone integrate computer generated images directly into its realtime streaming video to create an augmented reality gaming environment complete with air-to-air missiles, interactive targeting systems, and fiery explosions.