News bites: Government working on facial scanning

The federal government is developing a surveillance system that would scan crowds to identify people by their faces, according to The New York Times.

Amazon fired back at IBM and the Government Accountability Office over a $600 million contract for CIA computing services, The Seattle Times reports. 

Bitcoin is becoming popular in China, Bloomberg writes. 

The New York Times explains how Google may use pay-per-gaze advertising with Google Glass.

Amazon is ramping up its $13.9 billion warehouse building spree, according to Bloomberg.