It also lets us plan for the long term since we have a decent idea of what our revenue will be. Particularly in this space that's going to be important - we'll have to continuously evolve to changes in the platforms we're operating on and the apps themselves that we're helping restrict. Basically we think it's mission-critical that the technology protecting your attention to be as well built as the tech trying to exploit it, and we see this as * probably * the most effective way to accomplish that.