Free book on algorithms makes it to #9 on Reddit. How in the world did that happen.

http://programming.reddit.com/goto?id=ges7

Number 12 is about a hard disk. Number 1 is a photo of the moon.  These are the things geeks care about.  Most people will download it and never read it anyway. Wow. Nothing

Useless!

I never use any skill beyond divide and conquer :(

Chapter 2!

Maybe greedy algorithm, but I don't recall when I use it off-hand.

That is a very cool book. This thing where authors post their drafts on the internet is kind of interesting...