http://www.computerworld.com/article/2489664/emerging-technology/3d-printer-constructs-10-buildings-in-one-day-from-recycled-materials.html

When will this technology be widespread enough to solve housing problems for real? http://www.computerworld.com/article/2489664/emerging-technology/3d-printer-constructs-10-buildings-in-one-day-from-recycled-materials.html