By QUENTIN HARDY
It turns out every building has its own magnetic “fingerprint,” and you can figure out what it looks like with the compass of an iPhone. Merge that information with public maps, and we may see a movement to make all our spaces as public as roads. Think Yelp reviews of your couch.
Published: May 18, 2014 at 12:00AM
from NYT Technology http://ift.tt/1oDGSpw