Most of my career has been in sales. I spend 50% or more of my time with customers and employees, and I can't wait for it to be more than 50%.

Employees are a company's greatest asset - they're your competitive advantage. You want to attract and retain the best; provide them with encouragement, stimulus, and make them feel that they are an integral part of the company's mission.

The Obama campaign is one of the greatest examples of what is possible in the brave new world of 21st Century marketing. They did a masterful job of connecting with minds, personalizing messages, refining old and new media, sending clear messages, and providing the feedback that enabled them to respond to the messages they heard.

By the time I stepped down as Xerox's CEO in 2009 - and as chairman in January 2010 - Xerox had become the vibrant, profitable and revitalized company that it still is today. What made the difference was a strong turnaround plan, dedicated people and a firm commitment from company leaders.

Something as simple as better breastfeeding could save a million children a year.

People ask my mother whether she had any idea that I'd be CEO of a company some day, and she would say, 'Absolutely not. Totally out of the realm of possibility.' There was certainly nothing that would have been very predictable in my upbringing.

There's nothing quite as powerful as people feeling they can have impact and make a difference. When you've got that going for you, I think it's a very powerful way to implement change.