This fake is pretty dangerous. It is not a link to some lame ad.
This is a serious attempt to phish your gmail credentials.
If you were to follow the link, and you use Firefox, you’d be given a number of warnings that the page is a fraud, but if you are one who ignores warnings, you would find yourself on what looks like the real gmail sign in page.
We filled in the form with bogus info, and also clicked the various links and they all return you to the input page.