It happens all the time. Our number one way of getting new customers is through recommendations from existing customers. The energy efficiency industry is a bit different from other industries, in the sense that when people have a success, they like to talk about it. They like to bring it up at conferences. They like to share it with other people.
Once someone comes up with something, it's not like a trade secret where I'm only going to use it in my buildings. It's very much, “Here's what we did. We were the first—yay!—but now you guys can all jump on board,” and the suppliers and vendors who helped them with it are also out there promoting it. Unlike other industries that might be a bit more secretive, it's sort of a more fun, open, collaborative industry.