Arbitron Portable People Meter(TM) Technology to Audit Broadsign's Advertising 'Proof-of-Play'
Arbitron launches first electronic, content playback verification service for Digital Out-of-Home Industry using the Portable People Meter technology COLUMBIA, Maryland, September 16, 2009 Arbitron Inc. […]
broadsign.com
Thu, Jun 28, 2012 at 4:33 AM
Thu, Jun 28, 2012 at 4:33 AM