The question is: how you cross uneven ground, how you assemble networks around you.

The real secret of Silicon Valley is that it's really all about the people

Part of what being a great founder is, is being both able to hold the belief, to think about where it is you want to be doing and want to be going, but also be smart enough that you are essentially listening to criticism, negative feedback, competitive entries.

Social networks do best when they tap into one of the seven deadly sins. Facebook is ego. Zynga is sloth. LinkedIn is greed.

Part of the entrepreneurial thing is there are lots of ways to die.

When you turn a company profitable you've gone from a company whose days are numbered to a company whose days can be infinite.

Make sure a certain percentage of the people that you're hiring are generalists so that you can be, kind of reconfigured in the workforce pretty easily.