just a quick note about four things:

http://www.massobs.org.uk
"The Mass-Observation Archive specialises in material about everyday life in Britain.
It contains papers generated by the original Mass-Observation social research organisation (1937
to early 1950s), and newer material collected continuously since 1981."

http://intheconversation.blogs.com/art/
great lil blog about uncollectable art processes and "social architectures"

http://www.hostelprojects.org/about.htm
"Hostel is an organization dedicated to the support and presentation of artwork in public and social space. We have a particular focus on supporting artists who wish to research or execute work in cities other than those in which they live." [thanks to Lisa for the ref.]

http://www.variant.randomstate.org/22texts/Dezeuze.html
Transfiguration of the Commonplace, by Anna Dezeuze, published in variant. An account of how "art" and "the everyday" might (or might not) intersect, via Danto, Warhol, Fluxus, Tiravanija, Bourriaud… [a pdf of this essay is here]