One good example of an approach like this is Jeremy Grantham at GMO. (alephblog.com)
A good example of this approach is a mobile app website where backers can support an app before it's fully developed or launched, and then share in the revenue once the app starts selling to the public. (entrepreneur.com)
Accenture, with its 275,000 employees, is a good example of this approach. (fortune.com)