I see this happening, without a problem. Microsoft is revamping the company with strong partnerships, innovating and hype in so many areas, and above all it has made its #1 priority customer satisfaction.
How many users do you think will switch to WP8 when they realize they can make unlimited calls over wifi for free, or that their phone rivals a full fledged camera or field recorder (pureview, richrecording)?
Edit: look at this video [YT]http://www.youtube.com/watch?v=Ur6La-ucGxM&feature=player_embedded#![/YT]