If you've signed up for any sort of online service there is a high likelihood you're very familiar with CAPTCHA. CAPTCHAs are "used by many websites to prevent abuse from 'bots,' or automated programs ...
Josh Lowensohn joined CNET in 2006 and now covers Apple. Before that, Josh wrote about everything from new Web start-ups, to remote-controlled robots that watch your house. Prior to joining CNET, Josh ...
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