Pay attention to your culture and your hires from the very beginning.

The underpinnings of the alliance: the company helps the employee transform his career; the employee helps the company transform.

I think we realized the depth of frustration through the current political process. So we said, "OK, we know there's a serious problem here, we know we need to work on it," and now it's "Oh, we need to work on it a lot faster."

We've been working for years on how we can use technology to help people make their own jobs, become entrepreneurs, create their own small businesses. Those are the kinds of things that I and a bunch of other people at LinkedIn actually work on.

If you are not embarrassed by the first version of your product, you've launched too late.

Now, in economic crises times, the kind of things you're looking at is it's generally harder to get capital, revenue growth may be more, revenue lines may be unstable or growth may be less easy to predict that you're going to get to. And so what you do is you take a certain conservative approach of when, as all entrepreneurs should do, you plan for both good luck and bad luck, you put extra time on, "Okay, if I have bad luck, what do I do about that?"

When thinking about how to deploy kind of professional and social networking into your business, it's really not a question of if, it's a question of when. And the reason is, just think about the fact that those businesses that adopt new technologies to operate efficiently and use them to get a competitive edge are the businesses that in fact, you know, it becomes one more competitive advantage. Whether it's a fax machine or a mobile phone or a new way of doing financing or any of these things, you know, these are key things to do.