COMMUN I CAT I ONS

CACM.ACM.ORG

OF THEACM

01/2013 VOL. 56 NO. 1

Human Mobility
Characterization
from Cellular
Network Data
What College Could Be Like
Who Begat Computing?

Computer Security
and the Modern Home
ACM’s FY12 Annual Report
What’s a Robot?

Association for Computing Machinery