"The device tracks a single person with an accuracy of plus or minus 10 centimeters - about the size of an adult hand. Apart from the ability to "see" through a wall, its main advantage is that the person being tracked isn't required to wear a transmitter. While other location systems depend on Wi-Fi, this device can track a person's movements within the radius of its radio waves."
"The mind-reading robot - a PR2 personal robot designed by Willow Garage, equipped with a Microsoft Kinect 3D camera - does that by analyzing your body movements. It then searches through its database of various household activities and decides which action will likely follow. "