Classic, and fun, too.
Graphics are much more memorable.
Hour-long documentary on info viz starring some of the field's luminaries.
Nice site for beginners in info viz use in education through tools and techniques.
Series of video interviews with luminaries in the field.
Technical article on visualization tools and techniques.
Get over the fact that info viz methods aren't actually periodic. This is USEFUL!
Nice, but way, way, to long and skinny. As a member of the ed publishing community, though, I like the "don't quote Wikipedia."