Most adults I know start their Internet session at Google, and most kids I know start their Internet session at either Facebook or MySpace.

All markets have boom and bust cycles, and I think venture capital market has even more exaggerated boom and bust cycles.

I generally blog between 5:30 A.M. and 7 A.M. I will from time to time add something during the day, but for the most part blogging is an early morning activity for me.

Foursquare's adoption of a game dynamic when it launched is a particularly clever implementation of a social hook.

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.

Building product is not about having a large team to manage. It is about having a small team with the right people on it.

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