VANCOUVER – The transition to portable people meter technology will be expensive, so ideas such as fewer ratings periods and even no ratings at all for smaller markets were bounced about during Sunday afternoon's radio ratings session at the Canadian Association of Broadcasters convention. If there was a more apt title for a session on Sunday, we're unaware of it. "The time is now: This is the plan". The gist? PPM is here. It's ready. Advertisers want it. The question? How are we paying for it? What does everyone agree on? Diaries don't work. Currently, most radio ratings are done...