"...although the change was expected to affect only 3% of users, “this could amount to 2m devices rendered obsolete according to some estimates, potentially generating over 624 tons of e-waste”."
Up to 2m e-readers made before 2013 will no longer be able to download new titles
And a chaser, for those interested:
Amazon is ending support for older Kindles, but you still have easy ways to keep reading—no upgrade required.
Jailbreaking Your Kindle Jailbreaking a Kindle: Allows devs to create system modifications or extensions to extend the functionality of the























