remember that piracy competes with amazon. similarly I used to be able to download my kindle books and read them on non-kindle readers. Now you can't do it an

remember that piracy competes with amazon. similarly I used to be able to download my kindle books and read them on non-kindle readers. Now you can't do it anymore. And some books seem to have further restrictions. I have had several phones and the kindle reader app has complained that I have reached sort of limit on the number of downloads some books have.