Friday, October 01, 2010

A Clever Method to Prevent Spam on Chemistry Sites

We've all seen the various schemes to try and ensure that comments on a blog or registration at a website are being made by humans and not bots. CAPTCHA is very common: ChemFeeds has a clever twist: name that molecule:This is a terrific idea, as not only will it keep bots out, but it will also keep out people who have no clue about chemistry.