Captcha Ads: Awesome for Brands, Awkward for Users?

Making 'I'm lovin' it' a website access phrase

Until this year, security for Web interactions meant copying distorted letters into “captcha” boxes to prove we weren’t spam robots. The software was initially developed by the Army; now it’s free shareware, and it's not particularly effective. But Solve Media, a startup based in New York, has found a way to earn money on captcha boxes while making them easier to solve in the process.