Not acknowledging that beauty is complex-that's the problem. I enjoy making it complex for people, because that's my world.

I believe the mobile OS market will play out very similarly to Windows and Macintosh, with Android in the role of Windows. And so if you want to be in front of the largest number of users, you need to be on Android.

There is a difference between hiring a CEO and turning over control of the business.

The strategy of Tumblr is very elegant.. The atomic unit of user experience is the same as the ads.

Profiles aren't journalism.

If you have a native monetization system where the atomic unit of content is the ad unit, that scales down all the way to a small screen experience. That's why Twitter is performing so well on mobile.

The Internet is a computing platform built on top of core technology. Applied technology is what gets built on top of that: It's Web services.