And they have a history of doing this. Before they had the Kindle, they sold Adobe digital editions content, and after they made the switch they retired the Ad

And they have a history of doing this. Before they had the Kindle, they sold Adobe digital editions content, and after they made the switch they retired the Adobe digital edition license servers. I lost an ebook I desperately wanted when they did this. They didn't send a warning about the upcoming retirement either, despite the books being registered to email addresses which they could easily have sent alerts to.