 Two additional ethical concerns with crowdsourcing involve labor management and authorship. Mechanical Turk users were not originally intended to be research subjects, first and foremost. However, researchers using Mechanical Turks must ensure that the laborers on the other end of the cloud-based relationship are not being exploited, that they are legally eligible to be working for hire, and that the incentives provided are real, meaningful, and appropriate (Scholz 2008; Williams 2010  [OIR).