It could be quite possible that future console releases are done in iterations similar to cell phone releases. (mammothgamers.com)
The application of A / B testing to games is an intelligent move, and while it makes sense for mobile games, can we expect to see this tech in future consoles? (thatvideogameblog.com)
On future consoles or those using pro controllers, these could even be reduced to three, keeping the bottom directional pad button free for recalling back to your home base. (joystikrevolution.com)