Although a tricky term – crowdsourcing can be defined as ‘enlisting a crowd of humans to help solve a problem defined by the system owners’.

Accordingly, there are four questions that are asked in a crowdsourcing project:

  • How to recruit and retain users?
  • What contributions can users make?
  • How to combine user contributions to solve the target problem?
  • How to evaluate users and their contributions?

Web based crowdsourcing projects benefit from a large amount of potential users, creative and sophisticated social tools, analytical software and easy user management.

(Taken from Crowdsourcing Systems on the World-Wide Web)

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