25 + Tips and Tutorials of HTML & CSS at Powerusers has some good links.
Technology as an Educational Need looks at some ways we could be incorporating technology into education.
Seeking: How the brain hard-wires us to love Google, Twitter, and texting. And why that’s dangerous. This article at Salon quotes a number of scientists who posit that the human seeking behavior releases chemicals that lead us to repeat actions we like over and over. Like checking Twitter 500 times a day. They consider that harmful. You can draw your own conclusions.
Tech Support Cheat Sheet is funny. At xkcd.