Markets come and go. Good business don't.

Ideas that most people derided as ridiculous have produced the best outcomes. Don't do the obvious thing.

Skyping with your spouse works well enough, but apparently it is hard to get the kids to hang out on Skype for long.

If you have an idea that you can't get out of your head, do a startup. Otherwise join a startup.

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

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.

I'm a free speech bigot. I don't like censorship; I just don't think it's a good thing.