Remind Me, Why F2F?
I love how the First Life argument is presented in this video: A Virtual Conversation Overheard
Tag video
Blogging Tutorial Videos on WordPress.tv
There is a surprising range of information available there ranging from beginner to even some advanced topics
Over-optimized JPEG
A simple visual object lesson in over-compressing JEPGs.
Calculus Functions Explained on YouTube
Lots of math resources to be found on YouTube