For those who say you're thinking too big... be smart enough not to listen. For those who say the odds are too small ... be dumb enough to give it a shot. And for those who ask, how can you do that?... look them in the eyes and say, I'll figure it out.

The funny thing about advertising is that it's not a zero-sum game... Historically, in the digital ad world, pie has gotten larger and it's possible for everyone to win, and it's perfectly possible that will continue to be true for quite some time.

The Internet is the first thing that humanity has built that humanity doesn't understand, the largest experiment in anarchy that we have ever had.

I think it's pretty clear that the internet as a whole has not had a strong notion of identity. And identity means, 'Who am I?' Fundamentally, what Facebook has done has built a way to figure out who people are...

We didn't see any statistically significant relationship between our buzz and our short-term sales...Is that the end of the story? I would say no. This is one study on a set of brands in a particular company within a certain segment of the consumer-packag ed-goods industry. It is by no means a generalized result that applies to all industries.

Google is very much a not-invented-here, build-it-ourselves culture.

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