Introduction: Why Selling PDFs Is No Longer Enough For years, digital publishing followed a simple formula: Create a PDF → Upload it → Sell downloads → Hope customers don’t share it. At first, this worked. But today’s digital economy has
Introduction: Why Selling PDFs Is No Longer Enough For years, digital publishing followed a simple formula: Create a PDF → Upload it → Sell downloads → Hope customers don’t share it. At first, this worked. But today’s digital economy has