Crowdsourcing involves outsourcing tasks traditionally performed by employees to a large, undefined group of people using the internet. It can include open innovation, where companies share ideas to maintain a competitive edge, and shared knowledge initiatives like citizen journalism. Co-creation involves end-users and stakeholders in the innovation process to understand needs and design, prototype, and refine solutions. Crowdfunding is another form that funds projects through small individual contributions. The document provides examples and best practices for crowdsourcing and co-creation initiatives.