The world collectively spends 500,000 hours a day typing Captcha codes.
Captcha is strategy used to ensure sites against spam. Objective is to prevent intuitive sites from being spammed by sifting through naturally created input.
Abbreviation CAPTCHA means ‘Totally Automated Public Turing test to distinguish Computers and Humans’. As from get-go as year 1950, PC researcher Alan Turing proposed technique for testing scholarly limit of computerized reasoning. As indicated by PC pioneer, machine can imitate human brain when it figures out how to banter with individuals in talk without then acknowledging it is PC.
At their peak, people spent 500,000 hours a day typing up to 200 million CAPTCHAs around the world. About 10% of the world’s population had recognized at least one word, von Ahn estimates.