"The Google X people have been dropping hints about some sort of Control Systems thing...." Wasn't there suppose to be an X labs announcement this month? Maybe

"The Google X people have been dropping hints about some sort of Control Systems thing...." Wasn't there suppose to be an X labs announcement this month? Maybe they're saving it for I/O. There is a ton of potential for Google Now to function as a controller for your home (android) devices. For example, you're going home from work on a hot day and a card pops up asking if you want to turn the A/C on so the house is cool when you get home.