PPM Bulletins
PPM Bulletin 9: A first look at reach
PPM Bulletin 8: New 8-week data confirms strong, steady radio audience
PPM Bulletin 7: PPM Pre-currency trends confirm radio’s spot as primary medium
PPM Bulletin 6: Audience delivery is steady and strong
PPM Bulletin 5: PPM is live in Montreal
PPM Bulletin 4: Montreal PPM 8-week currency data review
PPM Bulletin 3: A first look at PPM pre-currency data
PPM Bulletin 2: Developing and approving PPM audience metrics
PPM Bulletin 1: What is the Portable People Meter?