Thousands of websites use a captcha tool, a cognitive test used to block spam by telling computers and humans apart. Normally, distorted words and numbers are displayed to the Internet user as a way for them to confirm that they are not a robot and thus proceed to access the website. What if, instead of meaningless words, it were possible to give it a social purpose? With optimizing this space in mind, Leo Burnett Tailor Made created the Missing Captcha for the NGO ‘Mothers of Sé’, which consist...