Given New York City's cultural diversity, it has always attracted creative people.

When my dad was in Vietnam, we lost a parent for a year. Thank God we didn't lose a parent for good.

Customers are a great way to finance a business for many reasons. First, customer financing is typically non dilutive. They want something from you other than equity in your business. Customers also help you fit your product to the market. And customers will help debug and improve the quality of the product.

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.

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

It's not easy for an entrepreneur to find the time to blog. But for those who do it, it is a great tool to communicate with the various stakeholders in their business and build a reputation for thought leadership.

Startups are rapidly changing systems. If you use an annual review cycle, you aren't getting feedback at the same pace that you need to adapt and change the business.