Answer:
Crowd sourcing
Explanation:
According to my research on the different company marketing techniques, I can say that based on the information provided within the question the term being mentioned is called Crowd sourcing. This term refers to the act of enlisting the services of a large number of people, either paid or unpaid, typically via the Internet in order to help with a project either by completing a task or offering their insight.
**There might be an answer missing from the ones provided, since the correct answer is Crowd Sourcing.**
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