The platforms that allow for this kind of labor are presented as APIs (application programming interfaces) to people, and the low cost and ease of access to people’s labor as extremely beneficial. For example, Little et al. (2010, p.57) write of Amazon’s plat- form, “Mechanical Turk (MTurk) provides an on-demand source of human computation. This provides a tremendous opportunity to explore algorithms which incorporate human computation as a function call.”