Today we have computers and smart phones to get us on the Internet. I joke with people that can't go anywhere with out their smart phone in their hand that someday it will be wired right into their brain. That way they're always wired in! It was a joke. Now scientists are talking about contact lenses you would wear that would connect you to the Internet with the blink of an eye. Ladies, let's hope they'll come in all colors! Scientist Michio Kaku explains.