PS it doesn't look like the software at ebookcreator.net does anything except make e-books. No web visitor tracking etc.

Unless you are referring to the spyware it hides in the e-books it creates. This spyware is easily defeated by most firewalls, highly unethical, and illegal here in some states of the U.S. IF you are really considering planting spyware on all of your customers computers we cannot help you here. I'm sure that's not what you're wanting though, your probably wanting to know things like, how many people visited the "buy now" page without buying the book, etc . . .

Most software doesn't run on their own servers but your server instead. It's not a feature, it's the norm.

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Take a break and watch some stupid video clips