Here’s EXACTLY What You Need to Know Before Selling Digital Products
中文摘要
数字产品失败的主要原因是先开发后验证需求。在制作前，请务必先确认市场需求。
English Summary
Most digital products fail because creators build before checking demand. Always validate market demand before starting development.
Original Excerpt
Most digital products fail for one reason, they build first and check demand second. Continue reading on Medium »