 Based on the above discussion, we believe that there are two core elements of crowdsourcing, both of which are facilitated by an online platform (such as Amazon Mechanical Turk[https://www.mturk.com/mturk/welcome]) Based on the above discussion, we believe that there are two core elements of crowdsourcing, both of which are facilitated by an online platform (such as Amazon Mechanical Turk[https://www.mturk.com/mturk/welcome]) 