Just a taste of the future - usefulness of these machines! http://arstechnica.com/tech-policy/2014/07/model-drone-finds-elderly-man-alive-after-going-missing-for-three-days/ A new infrared attachments for the iphone may bring the cost of such searching down: http://www.gadgetgestures.com/flir-one-infrared-camera/83411226
