In a period of economic downturn, the overwhelming instinct is to pare back, cut costs, and lay off. If you do that, do so with your strategy in mind. The worst mistake is to cut across the board. Instead, reconnect and recommit to a clear strategy that will distinguish yourself from others.

So companies have to be very schizophrenic. On one hand, they have to maintain continuity of strategy. But they also have to be good at continuously improving.

There's a fundamental distinction between strategy and operational effectiveness.

The best CEOs I know are teachers, and at the core of what they teach is strategy.

We live in a culture where everyone's opinion, view, and assessment of situations and people spill across social media, a lot of it anonymously, much of it shaped by mindless meanness and ignorance.

Social media absolutely changed my life and many others in a positive way.

The real question is whether or not the communities that rule the Internet can make their spaces safer for users, especially women and minorities.

Back in 1995, I saw an incredible wave coming. The Internet. I knew I needed to be a part of it no matter what I did.