Bury them in cr*p.
All we need is some enterprising soul to develop a simple browser plug-in or separate client that randomly generates terms for a Google search then randomly follows some of the links returned.
Leave it running all the time you are on-line, and swamp them with a massive ICR list of garbage.
The even more enterprising of us could even run such a robot on something like a RasberryPi, and have it run 27*7. Let's see just how good their "Big Data" credentials are.