On February 26th, Kindle customers will lose the ability to download eBook purchases directly to their PC. If you want to switch to a rival eReader brand in the future, I suggest that you use the soon-to-be discontinued “Download and Transfer via USB” feature to archive your Kindle library.
It’s not an accident that I download epubs and read them on Moon+.
Amazon signaled clearly years ago that their goal wasn’t to make a convenient ebook reader, but to create an entire proprietary e-reading system designed solely to extract as much money as possible for as little value as possible. And this is just another step in that ongoing process.