1. “Amazon Mechanical Turk.”
https://www.mturk.com/mturk
2. “Ambidextrous Magazine.”
http://ambidextrousmag.org/
3. “Google Analytics.”
http://www.google.com/analytics
4. Alexander, Christopher, Sara Ishikawa, and Murray Silverstein. 1977. A Pattern Language: Towns, Buildings, Construction. Oxford University Press.
5. Anderson, John, and Lael Schooler. 1990. “The Disruptive Potential of Immediate Feedback.” Pp. 702–708 in CMU Department of Psychology. Cambridge, MA.