You bring up another interesting topic: Population shifts over the years since the introduction of PPM have pushed several markets initially out of the top 50 and now out of the top 55. Hartford and Memphis are among them and, if trends continue, they may well be out of the top 60 by 2030 or even sooner. Will Nielsen continue to distribute meters in these shrinking markets or will ratings revert to the diary system? And will growth markets, mostly in red states, that have been rated using diaries be promoted to PPM when they reach the top 55 or 50?PPM Markets use 6+. Diary markets (approx 55 and up) use 12+