Captcha

Captcha is a service that helps the internent understand words that they cant read. It can tell if you are a robot or human because you have to type the words in that you can understand and read. Captcha is basically a security thing thats ptotects people or robots spaming your blog. There are two words that you have to type in, one easy one and one hard one. There are numbers sometimes but it proves you are not a robot. The words that are hard to read are from old books which the internet cant understand so they have a human to transalate them so they scan the books to put them online so you can read the forever. If the computer cant read the books it makes you type them out so you are doing a little job for the internet.


Captcha trusts you when you type the word in that the internet cant read. These books are ancient because the writing is hand written and not done by a computer. It is put on the internet so that you can read them forever.