Kaplan, Toni, Susumu Saito, Kotaro Hara, and Jeffrey Bigham. 2018. “Striving to Earn More: A Survey of Work Strategies and Tool Use Among Crowd Workers”. Proceedings of the AAAI Conference on Human Computation and Crowdsourcing 6 (1):70-78. https://doi.org/10.1609/hcomp.v6i1.13327.