The primary thing that any technology startup must do is build a product that's at least 10 times better at doing something than the current prevailing way of doing that thing. Two or three times better will not be good enough to get people to switch to the new thing fast enough or in large enough volume to matter.

The important thing about mobile is, everybody has a computer in their pocket. The implications of so many people connected to the Internet all the time from the standpoint of education is incredible.

Business ends up being very dynamic and situational.

The person they're working with, is going to be the person they'll know more. So if that person leaves, they're going to go - well, should have I left too? What did they get and how does that compare to my deal.

Startup CEOs should not play the odds. When you are building a company, you must believe there is an answer and you cannot pay attention to your odds of finding it. You just have to find it. It matters not whether your chances are nine in ten or one in a thousand; your task is the same.

In Silicon Valley, when you're a private company, the entrepreneur can do no wrong.

Over the last ten years, technological advances have dramatically lowered the financial bar for starting a new company, but the courage bar for building a great company remains as high as it has ever been.