WSJ.com - NTT, DoCoMo Develop Way For Human-Contact Data Swap "Nippon Telegraph and Telephone Corp. and NTT DoCoMo Inc. have jointly developed technology to allow people to exchange data via their personal digital assistants just by touching each other, sources close to the companies said Sunday. ... The technology, which takes advantage of the human body's conductivity, will be applicable in various situations, and the companies will try to commercialize it as a new communications medium, the sources said."