There is a science to managing high tech businesses, and it needs to be respected. One of them is that in technology businesses, leadership is temporary. It's constantly recycling. So the asset has limited lifetime.

Half of Google's revenue comes from selling text-based ads that are placed near search results and are related to the topic of the search. Another half of its revenues come from licensing its search technology to companies like Yahoo.

The Internet is really about highly specialized information, highly specialized targeting.

The self driving car is not self-aware. It's just driving; it's not thinking.

I use Google+, and I find the quality of the comments are very sophisticated because there is more trust inside of Google+ than there is inside of Twitter and Facebook, for example.

We know where you are. We know where you've been. We can more or less know what you're thinking about.

Just remember when you post something, the computers remember forever.