Captcha: Completely Automated Public Turing Test to Tell Computers and Humans Apart. Captcha's are small image boxes containing letters, number or words that you have to re-type in order to verify you are a human.
I came across this definition today. Apparently it is some times hard to distinguish a human from a robot!
Here is the message you hear when you try to reach the public comment line at the White House. - @jaketapper I didn't believe it. So I called. @WhiteHouse comment line recording pic.twitter.com/WxlS9PUrd0 — Favian Quezada (@FavianQuezada) January 20, ...
3 hours ago