If you know what reCAPTCHA is, good for you. If you don’t know what it is, you’re probably mistaken and you do know what it is, you just didn’t know what it was called. Here are some examples of a CAPTCHA.
That’s right, it’s those crazy letters you’re asked to verify when making some sort of on-line transaction at some web sites so they can ensure that your not just some computer bot clicking links.
In more recent time we’ve been seeing the reCAPTCHA, which is the newer version of the CAPTCHA that uses two words for you to verify.
Now, I too didn’t know these had a name, never really thought about it, really. Just saw it for what it was on the surface, a method of verification.
Turns out there is more going on with the reCAPTCHA than meets the eye. I can’t explain it any better than one of the inventors, Luis von Ahn, does in this video. I know, it’s over 17 minutes long, but do yourself the favor of watching until at least the 5:30 mark.
Warning – your life my seem less significant after viewing this.
Thanks to Teri for sending this to me.
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