The Model S is even more amazing with the companion application from Tesla. Now what is your OS of choice to run the app? I'm a big fan of tech and trying the latest and greatest when at all possible. iOS has been my preference since the original iPhone, although I love trying out other brand phones in between upgrades. Android stepped it's game up lately with Lolipop, and Windows Phone 8.1 has one of my favorite interfaces. Let's hear what you guys run in your MS!