Crowdfunding, a combination of online fundraising and marketing, is a powerful way to raise money from strangers for all sorts of projects.
Co-ops are groups that pool resources to help each other survive, thrive and maintain their independence.
Advertising, a very old business model, has become even more powerful in the digital era due to precise targeting (at the expense of your privacy).
Collusion is when business collaboration becomes unfair or anticompetitive.
Subscriptions are a popular business model, because they enable companies to learn a lot about their customers, and increase their loyalty over time.
Freemium is a business model where an app or web service has a both a free version and a ‘premium’ (paid) version with better features.
Open source is a collaborative design method where volunteers write software together, then publish it for others to reuse and improve upon.