Spam Prevention

I had never seen this method of spam prevention before.

Uploaded with Skitch!

Generally the site prompts you to enter in the characters that are distorted in a picture file (the bots can't identify what the picture is of even though it's a picture of text). I've never liked these because it's often very difficult to tell the difference between a zero and an oh and so forth. Sometimes they're even case-sensitive and that creates a hash of problems with V's, X's, and other letters for which the only difference between upper and lower case is size...