The idea, widely held by the Extropian crowd, that the curve of the total knowledge of humankind will continue to accelerate (Knowledge Growth) until it goes roughly vertical, at which point we will transcend humanity itself. Or something like that.
Here's the Vernor Vinge essay: http://www.ugcs.caltech.edu/~phoenix/vinge/vinge-sing.html
Also associated with Hans Moravec, see http://www.kurzweilai.net/meme/frame.html?main=/articles/art0151.html
- note many freaking things are predicted for this year
Others think the whole thing is a crock: "GeekRapture".
Cosma Shalizi says we already had one: the Industrial Revolution. Creation of vast, inhuman distributed systems of information-processing, communication and control, "the coldest of all cold monsters"? Check; we call them "the self-regulating market system" and "modern bureaucracies" (public or private), and they treat men and women, even those whose minds and bodies instantiate them, like straw dogs.