Crowdsourcing
00:11 - 04:49
4m 38s
ReCAPTCHA uses crowdsourcing to transcribe words from books that a computer can't distinguish between. The reCAPTCHA makes sure the user is actually a human entering a webpage and also uses the person to help determine words from texts that can't be transcribed by computers.

Comments

Please sign in to write a comment.
Video Transcript

Related Clips

This clip describes how computers work and how humans can interact with them. It makes mention of the programming language, BASIC, in addition to basic units of information such as bits and bytes.
Zuckerberg hacks the webpages of multiple fraternities and sororities to collect images of all its members. He speaks about the relative ease of hacking since many of the pages are open with available indexes.  
Charlie explains how a string metric can be used to detect plagiarism.
Bill Nye show us how a circuit works by comparing electrons to water.
Beakman explains that a video game is a version of a computer. He goes over all of the computer components and then to show how this all works, they do a skit. In the skit, they have to give the exact program code to Lester (aka computer) to be able to do the action they want.