In the article titled, “A Roof for Everyone,” A.J.P. Artemel reviews The Center for Architecture’s Designing Affordability exhibition stating that it opens many more areas for engagement between architecture and activism. Artemel highlights projects by nArchitects, LOT-EK and Marvel Architects. Artemel specifically says, “the most innovative project is Urbanism from Within, by California College of the Arts, which studies a number of strategies for reformatting the interiors of existing Victorian houses in San Francisco to create ‘in-law units.'” To read the complete article click here.
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Marc Norman 
The link to the Metropolis article is broken. I think this is the correct one: http://www.metropolismag.com/architecture/roof-for-everyone-speculative-designs-future-affordable-housing/.
Thank you!