The number of Android devices is rising steadily; it’s already up to 135. Android devotees should rightly rejoice. However, Android is not the first mobile platform with an open licensing strategy. A quick visit to pdadb.net lets us count the number of devices that shipped for every mobile platform in history. We can also see the current market shares as listed by Gartner for these platforms.
The numbers of SKUs (stock keeping units) that have shipped historically vs. the market shares of the mobile phones running those platforms are (see Footnote below for some caveats):