I will be presenting on Tuesday about Captcha, a program designed to protect websites from bots through the use of "reverse Turing test." Captcha programs are interesting because they relate to many different information science subjects (e.g. artificial intelligence, web security, crowdsourcing, digitizing non-digital media, etc.)
Here's the link to the Captcha wikipedia article:
http://en.wikipedia.org/wiki/CAPTCHA
And here's a link to an informational site about Captcha:
http://www.captcha.net/
In case you've never logged into a website using a Captcha (I'm pretty sure everyone has...), this webpage offers a chance to try them out. It also has a link to a really cool (and really distracting) game site related to Captcha (www.gwap.com).
See everyone in class on Tuesday!
-Chris
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My banking makes me put in a captcha--interestingly it also has a captcha in reverse. It shows me a phrase that only I would know so that I know that I'm at the right site and not giving away information.
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