What are 2 advantages of using crowdsourcing for developing a system or application?

Write a short essay about 1 page (3-4 paragraphs), that identifies two (2) companies that have been using crowdsourcing as an alternative to traditional systemsdevelopment approach. What are 2 advantages of using crowdsourcing for developing a system or application? Please use and cite at least 2 outside sources for this
essay.

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