Author Earnings has published its latest eye-popping data-analysis of ebook sales and rankings on Amazon.

Amid the general growth of indie books (indie authors now make more as a group than Big 5 authors, though there are a lot more indies sharing that pie), there's this amazing fact:

It wasn’t surprising to see that most Big 5 books employ DRM, but we were shocked to see that it is practically 100% of them.