Early on, when software was developed by computer scientists, just people working with computers, people passed around software because that was how you got computers to do things.

In social networks, you gain and bestow status through those you associate with.

Programming is how we talk to the machines that are increasingly woven into our lives. If you aren't a programmer, you're like one of the unlettered people of the Middle Ages who were told what to think by the literate priesthood. We had a Renaissance when more people could read and write; we'll have another one when everyone programs.

An invention has to make sense in the world it finishes in, not in the world it started.

Share what you do profusely, because it will be remixed by others into something new, rich and strange.

The nice thing about twitter is the architecture of visibility. Email is invisible unless you reach out to someone directly. With Twitter, anyone can follow you and this is one of the big changes that was really introduced by Flickr, was this wonderful idea that you can follow somebody without their permission. Recognizing that relationships are asymmetrical, unlike facebook where we have to acknowledge each other otherwise we can’t see each other.

Just do something that lights you up, and lights up your customers, and lights up the world and scale to that.