The personal wealth that's coming is absolutely secondary to the stories that I hear about our users who have given themselves some financial independence as well by starting businesses, and all the lives we've touched positively.

Be an enzyme - a catalyst for change. As a slogan, I don't know if that's ever going to be right up there with Ich Bin Ein Berliner, or “I Have A Dream,” but there's a lot of truth to it.

We have technology, finally, that for the first time in human history allows people to really maintain rich connections with much larger numbers of people.

When you don't know what to expect, prepare for the unexpected.

Whatever future you're building, don't try to program everything.

I never had it in mind that I would start a company one day and it would really be successful. I have just been motivated by working on interesting technology

I always kind of just went ahead and tried things.