I wonder what Ray Kurzweil's thoughts are on this. Below is just a bit of info on him in case he's new to some readers here.

Actually, here's a link to an article we're he say we'll have nanobots in our brains in 15 to 25yrs

http://www.huffingtonpost.com/entry/...b0af3706dbe1e2

Ray Kurzweil biography

Ray Kurzweil has been described as “the restless genius” by The Wall Street Journal, and “the ultimate thinking machine” by Forbes. Inc. magazine ranked him #8 among entrepreneurs in the United States, calling him the “rightful heir to Thomas Edison,” and PBS selected Ray as one of 16 “revolutionaries who made America,” along with other inventors of the past two centuries. He is considered one of the world’s leading inventors, thinkers, and futurists, with a 30-year track record of accurate predictions.