Jon Udell's Internet Groupware for Scientific Collaboration taught me how to think about the web. He started work on an update a couple of months ago, and it has now been published by PLOS. What strikes me upon re-reading the first is how far we've come; upon reading the second, is how far we still have to go to make all of this normal. As William Gibson said, "The future is already here—it's just not very evenly distributed."
Originally posted at Software Carpentry.