It's 2020 and we're for some reason discussing DRM. It was repeatedly shown for the last 20+ years that DRM can not work, is detrimental for sales, author popu

It's 2020 and we're for some reason discussing DRM. It was repeatedly shown for the last 20+ years that DRM can not work, is detrimental for sales, author popularity and income. Late Jim Baen of baen.com realized that in 1999 and since then sold DRM-free multiformat books with usually first 1/3 to 1/2 of the text available free. And it works just fine since then.