Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

	1	Hutchins, E. Cognition in the Wild. MIT Press, Cambridge, MA, 1996.
	2	Suchman, L. Plans and Situated Actions. Cambridge University Press, Cambridge, UK, 1987.
	3	Gerard Torenvliet, We can't afford it!: the devaluation of a usability term, interactions, v.10 n.4, July + August 2003  [doi>10.1145/838830.838857]

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