"inability to get enough people to know about it, and to understand how it would fit their needs?" Just from visiting the landing page for gumroad.com, I wasn'

"inability to get enough people to know about it, and to understand how it would fit their needs?" Just from visiting the landing page for gumroad.com, I wasn't clear about what the company did. Some questions that came to my mind: By e-commerce, is it like shopify or like stripe? By audience-building software, is that SEO, marketing, or analytics? Just writing the feedback I like to get from others. The features page answered most of my questions in general(I think its an online store platform for digital goods?).