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reCAPTCHA

Definition:

reCAPTCHA is a variation on CAPTCHA in that rather than displaying random letters and numbers, reCAPTCHA actually displays real words from old texts that have been digitally scanned. The words displayed were not understood by the computers that scanned them. Thus, not only are you preventing spam by entering the reCAPTCHA words, you are actually helping to decipher the words and bringing the old texts into the digital world.

For more information on reCAPTCHA, visit www.recaptcha.net.

Here's a word you may not know...

BitTorrent

BitTorrent is a peer-to-peer protocol that allows computers to distribute files. Unlike other file sharing protocols, BitTorrent relies on multiple computers to share tiny pieces of each file. Therefore no one computer has the burden of having to distribute the entire file.

BitTorrent networks are used widely to distribute large music and video files.