Vint Cerf explains...Who runs the Internet's address book?

Ever wonder who controls the inner workings of the Internet? Like what happens after you type in a URL and hit enter, or who assigns IP addresses? A father of the Internet is here to explain.Ever wonder who controls the inner workings of the Internet? Like what happens after you type in a URL and hit enter, or who assigns IP addresses? A father of the Internet is here to explain.