Usage is like oxygen for ideas.

Twitter is the ultimate service for the mobile age. Its simplification and constraint of the publishing medium to 140 characters is perfectly complementary to a mobile experience. People still need longer stuff, but they see the headline on Twitter or Facebook.

As an entrepreneur making decisions for your company, always go back to your first principles of what's important to you and why you started in the first place.

Much of the lifeblood of blogs is search engines - more than half the traffic for most blogs.

Technology is best when it brings people together.

One of the things I've been working on for the past few months is a radical simplification of the interface.

You can't build everything and there is no more a killer feature. Everyone has a different killer feature.