Why do so many people feel the need to defensively explain these stats away, e.g. saying there are far more different/cheaper Android devices than there are iOS ones? The reason isn't the point - the point is that Apple are losing smartphone OS dominance and with it goes their influence and that's a bad thing for those of us who are staying with our iPhones, for a couple of reasons:
A couple of years ago, the big developers were focussed on iOS, and iPhones got the killer apps that maybe made it onto Android months later, if even at all. But that's changing, developers are going to develop for the largest, most lucrative market first and foremost. I reckon that within the next 1-2 years we're going to be seeing people switching from iOS to Android driven by availability of must-have apps.
Previously, Apple could call the shots. If it introduced a new technology with the latest iPhone it soon became the defacto standard by default; everyone would clamber to embrace it as they couldn't afford not to. But times have changed and developers are no longer seeing iOS technology integration as a "must-have". Take Passbook for example - if iOS was still the dominant mobile OS then we'd have every man and his dog supporting it and it would potentially have become an industry standard across the travel and entertainment sectors. Instead, developers are not seeing the point of incorporating a legacy system that's unique to an OS with a reducing penetration.
Sadly with Android not being as joined up and thus not being in as good a position to exert its influence, I think innovation loses out, even if before hand it could only be Apple's choice of innovation.