All business leaders need to be technologists, as every industry now has a Netflix or an Uber on the horizon, threatening to upend business as usual. Apps are driving this disruption, and every enterprise needs to become an app company.

I grew up loving computers and math, actually. I also loved English literature and French, but I became obsessed with computers when the Apple II was coming out.

After the dotcom boom blew up, it increased the focus on questions like, 'Why should I trust you to help run my business? How do I know you're not going to go away like every other company?' That was hard. We had to keep proving ourselves.

Phones are a big deal, but tablets are an even bigger deal. So we're doing a lot of design work and experimentation around the tablet experience.