FACT FOOD #274

Source – http://bit.ly/1kPRcbv
CAPTCHA – a test which we all take online (especially while posting comments). This validates whether you are human or not. This term was coined in 2003 by Luis von Ahn, Manuel Blum, Nicholas J. Hopper and John Langford. CAPTCHA is an acronym for Completely Automated Public Turing Test.