One mistake I often used to make at Justin.tv was offering a potpourri of business models (virtual goods, product placement, chat ads, contests, etc..). I was embarrassed to say Justin.tv would monetize with advertising when clearly that was the only answer. Own the simple business model.
i don't want a new cryptocurrency i want a new type of business legal structure that incentivizes you to actually do good in the world while making money
Very few people know how apps make money.
Fewer understand that Apple is a piece of shit for pulling the absolutist, crappy move called ATT which crippled the industry.
Here's a simplistic explanation on how millions of app developers monetise in the ~$100B+ app ads market: