A medical publisher may need to give customers digital access to a textbook before the printed book is ready. For example, a publisher may sell a printed medical textbook to students. While the book is being printed and shipped, the
How to Sell DRM Protected PDFs to Unlimited Customers Without User Limits
If you are selling PDF eBooks, training manuals, online courses, coaching materials, research reports, or digital downloads, one of the biggest problems you will face is this: “How can I stop people from sharing my PDF files with others?” Another