Think of how Wikipedia works, how Amazon harnesses user annotation on its site, the way photo-sharing sites like Flickr are bleeding out into other applications. We're entering an era in which software learns from its users and all of the users are connected.

Create more value than you capture.

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.

A book is always a dialogue with other readers and other books.

I think that companies always become complacent, over time. Or most companies, that is.

We often get blinded by the forms in which content is produced, rather than the job that the content does.

We're entering a new world in which data may be more important than software.