Researchers at Microsoft's Media Presence Lab are developing a "virtual brain," a PC-based database that holds a record of an individual's complete life experience. Called MyLifeBits, the project aims to make this database of human memories searchable in the manner of a conventional search engine. "By 2047, almost all information will be in cyberspace -- including all knowledge and creative works," said one of the project's leaders, Gordon Bell. "The most significant benefit will be a breakthrough in our ability to remotely communicate with one another using all our senses." To enable this remote communication, Bell's group is developing a...