Hey Google, I can iframe you. Internet. You too

Ok - so you put an iFrame in a web page and you added an input where you take a URL and with some JS under the Go button you update the src on the iframe? Am I missing something here?

Hey Google, I can iframe you. Internet. You too.I have a way to embed any website into my site. Cool tech in need of a great use-case. Know any?

Also can you guess how I did it?