Programming: A Social Activity

I have been listening to a weekly podcast, Stackoverflow with Joel Spolsky and Jeff Atwood. Podcast 15 features a question that asks what the most effective code review methods are. On the podcast site, the show notes state,

Joel and I both agree: one of the most effective coding practices you can adopt on your team is interactive, sit-down-with-your-coworker code review. 90% of the things you will learn have nothing to do with the code. I believe programming is a far more social activity than most realize. If you write code, and nobody but you ever sees that code — did you really extract all the benefit from writing that code?

HEAR, HEAR!