Earlier quoted context omitted.
> I want to purchase ebooks, but I want to own what I purchase! Without a DRM mechanism it can be easily shared on warez sites. They really don't want books easily disseminated DRM free on warez sites. Alongside this they can track what pages you read and even know how 'fast' you are at reading. Welcome to 1984.
> Alongside this they can track what pages you read and even know how 'fast' you are at reading. Does anyone do this? I don't see how it's relevant beyond "wow! you reading speed increased 5% this month" in emails from the Kindle service. Maybe they target ads for "read better and faster in 90 days" if you're in the 10th percentile on reading speed?
https://kdp.amazon.com/en_US/help/topic/G201541130
> A customer can read your eBook as many times as they like, but we will only pay you for the number of pages read the first time the customer reads them.