A mobile platform competition snapshot
RIM's market share over the same period collapsed, dropping almost 5 points.
Apple is fighting a very similar war to the one it fought--and lost--in the 1990s. It is trying to build the best integrated products, hardware and software, and maintain complete control over the ecosystem around them. This end-to-end control makes it easier for Apple to build products that are "better," but it makes it much harder for the company to compete against a software platform that is standard across many hardware manufacturers (Windows in the 1990s, Android now).
Read more: http://www.businessinsider.com/android-iphone-market-share-2011-4#ixzz1IPOvSEhe