Report: most major tech companies in Silicon Valley have kept paying their thousands of unionized blue-collar workers for now, but future remains uncertain (Cyrus Farivar/NBC News)

Cyrus Farivar / NBC News:
Report: most major tech companies in Silicon Valley have kept paying their thousands of unionized blue-collar workers for now, but future remains uncertain  —  Nora Morales, 57, an overnight janitor at Google's main campus in Mountain View, California, knows better than anyone else how empty Silicon Valley's offices have become.