Can we imagine the United States without electricity? No, that would be pretty hard. Likewise, we can't really imagine being without an open Internet. The cost would be so grave, so serious.

The Internet is such a tough marketplace because everyone is a click away from going back to a cat photo, or going back to whatever else they were doing. You have to win them over, and do it quickly, and do it by making something people actually want.

Every founder has to delude themselves into thinking, "Yes, it's going to be big. It's going to take over the world."

Hundreds of these companies I've seen since the beginning stages - including Dropbox and Airbnb - one of them has actually been crushed by an incumbent. The Googles, the Twitters, the Facebooks, they might be someone to acquire you, which is not necessarily a bad position to be in.

Let's do 150 stops. Let's go to 75 universities, and let's spread this gospel of Internet entrepreneurship everywhere we go.

The best part of being an angel investor is seeing these kids coming up with companies that get way more traffic than Reddit had when we sold it. I think, 'Are you kidding me? They're just kids, and they've done so much.

It turns out the Internet is this amazing resource for everyone who has access to it.