Innovation in tech favors the naive and the stubborn. If you are too rational you won't tackle problems that others once failed at.

Tip: Take the stodgiest, oldest, slowest moving industry you can find. And build amazing software for it.

I don't use many apps. I use naps.

Listen to your customers, but don't always build exactly what they're telling you. This is a really key distinction around building enterprise software.

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.

My mom is proud of me. But she might not be too happy about the hours I keep or how little I eat. I wake up so late that it would be inappropriate to have breakfast. At most, I will have a snack in the day and dinner. I realize that it's not the healthiest way to live, but it's all I really have time for.

We didn't really start the company to go build an enterprise software company.