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I actually think Facebook made it their business to be close with all of the app developers. They couldn't have done more.

Facebook is in a very different place than Apple, Google, Amazon, Samsung, and Microsoft. We are trying to build a community.

It took less time to build 'Instagram' than it did for me to get my work visa. The app was an instant hit, and Facebook agreed to acquire the startup for about $1 billion in April 2012.

Facebook's data trove is enviable, and its moves into nearly every aspect of our lives - from payment to media, will create even more of it. The company also has created a huge base of developers for its platform, but the ecosystem is incomplete compared to vertically integrated OSes like iOS, Mac or Windows.

I'm just more excited about helping new entrepreneurs create the next Facebook or Google.

One of my big regrets is that Facebook hasn't had a major chance to shape the mobile operating system ecosystem.

We want Facebook to be one of the best places people can go to learn how to build stuff. If you want to build a company, nothing better than jumping in and trying to build one. But Facebook is also great for entrepreneurs/hackers. If people want to come for a few years and move on and build something great, that's something we're proud of.

The main Facebook usage is so big. About 20 percent of the time people spend on their phone is on Facebook.

I love Facebook. I could brush my teeth with Facebook.

While a lot of what is on Facebook is a better amalgam of what AOL, Yahoo, Amazon, and other Web pioneers introduced long ago, with a nice dash of connection and really identified community, this kind of thing is not a new idea.