If you have an original Paperwhite, your device is going to lose internet access next month, so make sure you make a backup of all your ebooks before then.

Luckily I have the Paperwhite 2 from 2013 so I'll be able to keep using mine for now. But I'll be backing up everything anyway because it's only a matter of time before Amazon comes for my device too. I'll not be buying another Kindle once mine is no longer functional.