Each user and each expert has incentives to work separately toward theconstruction of such a Garden. The users get to find answers, and expertscan rid themselves of commonly asked questions.

ngineerschose not to go to the channel of the highest quality for technical informa-tion, but rather to go to the channel of highest accessibility (i.e., lowestpsychological cost). Allen [1977] argued that the psychological cost was inthe potential lack of reciprocity between giving and obtaining informationand in the status implications of admitting ignorance.