I believe there's plenty of market for each; we're talking about an ecosystem that is going to support billions of devices, so a competitive landscape is good for consumers, developers, and the platforms alike. Apple brings a smooth elegance to its devices and platform, with the best marketplace experience to boot. Google brings a higher volume of devices as well as a more diverse ecosystem to interact with. The real story here is that Microsoft is nowhere to be seen, ending a two-decade monopoly and creating biggest opportunity for software startups probably ever.

The only barrier to entry you can create is to consistently build a great product.

I have a lot of faults. I often interrupt in meetings. I talk too loud. I talk too fast.

Too little process and you can't get good work done. Too much process and you can't get any work done. Most companies never find the middle.

Everything about the enterprise, and then by definition the software the enterprise uses has changed - just in the last 5 years.

You'll learn more in a day talking to customers than a week of brainstorming, a month of watching competitors, or a year of market research.

A lot of being productive personally is determined by how you organize your entire business. You can't separate those two things.