I would think they have no idea how long you spent on a page. The unit doesn't log this sort of data. You can make any notes on a piece of paper. No need to use the unit. The license idea is important for any eBook that anyone sells. Otherwise you could buy one, make a hundred copies and give them away to your friends. This is a bit tougher to do with a paper book. Of course you can still do that by breaking the law. None of this you mentioned is an invasion of privacy if you permit it. You don't have to buy any books, there are plenty of free ones. People choose to share data everyday but it is a choice you don't have to make.
Dale
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