Changing lifestyle & adoption of technology is creating a new kind of knowledge available about individuals and their activities. This is creating a new inflection point in sharing knowledge and creating extremely customized experiences based on understanding the individual and what he or she does. This seems to be getting a lot of attention from corporations.
Greg is talking about a research by Microsoft called mylifebits - A personal database for everything. The MyLifeBits project at Microsoft Research is an attempt to make most aspects of a person's work and life experiences searchable. MyLifeBits captures every e-mail, every web page visited, documents read, every phone call, every bit of music, every photo.
Imagine the impact of this knowledge and the kind of marketing opportunities it can provide.