Catagorized screw heads

Most people have to deal with two types of screws: flat heads and cross-heads. Sysadmins are not most people.

I've dealt with hex heads, security bits, weird triangle things, and stuff I could hardly describe. Someone, however, has gone to the effort to categorize different screw heads. Here's the writeup on instructables.

Anyone want to start bragging about how big their security bit set is? ;-)