We had some internal debates on how much we should invest in adding new stuff to Windows Phone 7 SDKs. My gut feeling was telling that the returns on such investment are diminishing. But gut feeling isn’t good enough. Especially when we have some data to rely on.
Here you can see the number of new WP7 apps compared to new WP8 apps on AdDuplex. As you can see from the trend line, this ratio will come to pretty much zero by the end of 2014.