Summary: Stories: 1) Bay Area's Steep Housing Costs Spark Return To Communal Living 2) A City Turns To Lettuce Fields To Grow High-Tech Startups 3) Hackers Stole 40 Million Credit, Debit Card Numbers From Target 4) How An Obscure Government Code — 834 — Became Big In 2013 5) Will A Computer Decide Whether You Get Your Next Job? 6) Robot 'Olympics' Test Machines On Human Skills