I do still get extremely nervous before speeches. My biggest fear is that I'll be standing there in front of hundreds of people and be incapable of talking. I'm afraid that I'll make a complete fool of myself and be unable to go on.

Google and Facebook, each in their own way, have revolutionized the delivery of advertising based on search and social networking, creating a sort of anti-Spam: targeted, relevant ads that a consumer might actually welcome rather than spurn.

Obviously, you have to know what you need now and what you will soon need, then hire or promote from within to meet those needs.

Convey your passion and link your strengths to measurable results. Employers and interviewers love concrete data.

People should be hired "as is" and their managers then help them to develop their individual strengths while completing tasks for which they have the greatest aptitude and in which they have the greatest interest.

Define excellence vividly, quantitatively. Paint a picture for your most talented employees of what excellence looks like. Keep everyone pushing and pushing toward the right-hand edge of the bell curve.

If you want to be clear, act.