The software programs that make our body run ... were evolved in very different times. We'd like to actually change those programs. One little software program, called the fat insulin receptor gene, basically says, 'Hold onto every calorie, because the next hunting season may not work out so well.' That was in the interests of the species tens of thousands of years ago. We'd like to turn that program off.

By the end of this decade, computers will disappear as distinct physical objects, with displays built in our eyeglasses, and electronics woven in our clothing, providing full-immersion visual virtual reality.

So what used to fit in a building now fits in your pocket, what fits in your pocket now will fit inside a blood cell in 25 years.

My mission at Google is to develop natural language understanding with a team and in collaboration with other researchers at Google.

Play is just another version of work

As you go out to the 2040s, now the bulk of our thinking is out in the cloud. The biological portion of our brain didn't go away but the nonbiological portion will be much more powerful. And it will be uploaded automatically the way we back up everything now that's digital.

If we could convert 0.03 percent of the sunlight that falls on the earth into energy, we could meet all of our projected needs for 2030.