You know those weird distorted words that you have to type sometimes when you register for a web site? They’re called CAPTCHAs, and they prevent spam robots from registering on web sites.

Here’s a suggestion that takes the idea one step further: a CAPTCHA that requires a good understanding of grammar. This guy suggests that such a test should be required in order to use the Internet at all. Hit refresh (F5) on your browser to get new, fun grammar and spelling questions.

Darth Vader agrees.