Google & Google +
I've worked with Google on several projects. G+ was one of them.
When Google set out to enter the world of social media and created their G+ platform, I had the fortunate opportunity to help out with numerous aspects of the platform, including the design and functionality of the initial introductory launch video: (more details in person)
As a test assignment before looping us into helping launch G+, Google asked us for thoughts on how to garner more participation in their Google Translate program. The way the program works, is that it "learns" from translations that are provided by quality linguists from around the world. The problem was, there weren't enough people participating. This was our suggestion and they loved the thinking: