No need.
Crowdsourcing refers to the practice of a company or organization outsourcing work tasks previously performed by employees to unspecified (and usually large) public volunteers in a free and voluntary manner. (It is to conduct product development needs research through the Internet, based on users’ real usage experience). Crowdsourcing tasks are usually undertaken by individuals, but if it involves tasks that require the collaboration of multiple people, it may also appear in the form of individual production relying on open source. In the June 2006 issue of the American "Wired" magazine, the magazine's reporter Jeff Howe first introduced the concept of crowdsourcing. However, judging from the time of its introduction, the Americans proposed crowdsourcing later than Witkey, which was born in China in 2005. One year.