Gonna write more in depth.
But right now it looks like 92% of that comes from memberships on Appsumo, Gumroad and BetterSheets.co
And then 8% via digital goods sold on gumroad.
Will write up more milestones, but for now here's a taste.
Within the past 3 months: Mashable Article, and Business Insider article contributed massively, making May 2021 one of the best months ever.
Ask any question you'd like. I'll write more.