Rand Fishkin, the co-founder of Moz, announced on his personal blog a new thing he is playing with he named IMEC, aka Internet Marketing Experimental Collective.
The goal is to increase the number of people experimenting with Google's search results, so they can give more validity to the experiments they run. Rand said, "The goal is to assemble a group of marketers who care about producing high-quality, consistent, repeatable experiments in search engines and on social media to learn more about how these platforms work."
Here is an example of an experiment one would run:
If you want to be part of this, apply over here.
I can promise you two things:
(1) The results will be interesting and
(2) The results will be debated.
Forum discussion at Google+.