Selling your own eBooks is a great way to make money, but piracy can ruin your business. If you just send a normal PDF, one buyer can easily email it to ten friends, post it on Reddit, or share it
Stop Udemy Piracy: Why Your Courses are Stolen and How VeryPDF DRM Protector Secures Your Intellectual Property and Revenue
The Silent Thief in the Classroom: Why Your Hard Work is Being Sold for Pennies—and How to Lock the Vault Forever You spent six months in a dark room, fueled by caffeine and a vision. You quit your job. You