When Kevin Warwick enters his office building on the campus of Reading University, strange things happen. As Warwick heads down the main hall, lights turn on. When he turns to the right, an office door unbolts and opens. Each step is clocked and recorded. The building knows who he is, where he is, and what he expects to happen. The building [even] says, Hello Professor Warwick." The structure knows Warwick because of the electrical fuse-sized "smart card" implanted in his left arm. In Britain, he's been dubbed "The Cyborg Man," the first person known to have a microchip implanted in his body for communication with outside machines. Warwick predicts chip implants will one day replace time cards, criminal tracking devices, even credit cards. Capable of carrying huge amounts of data, they may, he says, one day be used to identify individuals by Social Security numbers, blood type, even their banking information. No one knows yet how the body will respond to this type of invasion. Warwick is not blind to the ethical questions of this technology. Implants ostensibly designed to clock workers in and out might be misused to monitor where people are at all times and who they are meeting. Governments could move to use implants instead of I.D. cards and passports, but what would stop them from using this new science to invade privacy? "I feel mentally different. When I am in the building I feel much more closely connected with the computer.