A world of words
To give tasks to a large group of people or to the general public, for example, by asking for help on the Internet, rather than having tasks done within a company by employees.
The following video describes what crowdsourcing is, the four different ways crowdsourcing works and the five different categories of things you can do with it:
The practice of funding a project or venture by raising many small amounts of money from a large number of people, typically via the Internet.
The Cosmonaut is a Spanish science-fiction film, directed by Nicolas Alcalá, has been one of the most successful projects in the world in the use of crowdfunding, having raised more than €400.000 and becoming a project with more than 4,500 producers.