There are still people who have not been converted to iOS/Android/Windows devices. Yesterday they had a Blackberry and tomorrow they want a Blackberry. But th

There are still people who have not been converted to iOS/Android/Windows devices. Yesterday they had a Blackberry and tomorrow they want a Blackberry. But their numbers are dwindling. Blackberry's current success comes from selling these people exactly what they want; an upgrade from their current model that is almost the same in form and function. When someone wants a different form and function they go to an iPhone or an Android.