I’ve just been watching a presentation (”The future of the internet and how to stop it”) given by Jonathan Zittrain a professor at Harvard, and he mentioned something that I’d not come across before that I found quite interesting.
Anyone that has a blog or any other website where visitors can feeback information / comments etc know the problem with comment spam. A “captcha” (the funny little image you get asked to type in) is one of the common ways to protect against this. Spammers are now overcoming this by setting up free p**n sites (i’ve censored this out as to not upset the google bots). So on these sites, before seeing the picture, they ask you to validate a captcha, which is pulled in real time from a blog, and feeds the right response back. Now thats kinda clever 
The presentation is on youtube, and if you have over an hour to spare, I recommend you check it out (if geekery interests you, which if you’re reading my blog, it does).
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