The Internet as we know it is now officially too big for its britches. NBC NEWS by ALEX JOHNSON The Internet as we know it is now officially too big for its britches. The organization that assigns IP addresses in North America — the numbers that identify every computer, smartphone and device connected to the Internet — ran out of numbers overnight Wednesday. It's not the end of the world, because there's a newer, more robust system rolling out, but it's a milestone in our sha