By George Smith – Re-Blogged From Barbarous Relic
Before the middle of this century, the growth rates of our technology— which will be indistinguishable from ourselves— will be so steep as to appear essentially vertical. From a strictly mathematical perspective, the growth rates will still be finite but so extreme that the changes they bring about will appear to rupture the fabric of human history. That, at least, will be the perspective of unenhanced biological humanity.
Kurzweil, Ray. The Singularity Is Near: When Humans Transcend Biology, September 26, 2006