On Crowdsourcing Platforms
http://www.dummies.com/business/start-a-business/crowdsourcing-for-dummies-cheat-sheet/
Examples of Crowdsourcing Platforms
https://www.kickstarter.com/
https://www.indiegogo.com/
https://entrepreneur.indiegogo.com/how-it-works/
http://platform.brickme.org/index.php
http://platform.brickme.org/?page=cp&id=8