Last week’s splash that Nielsen Media Research has agreed to share its coveted demographic measurement data with Porter Novelli generated substantially more buzz than your average industry revelation. Why? In announcing it, the agency trumpeted the magic words guaranteed to get the research folks in a tizzy: Holy Grail.

Last week’s splash that Nielsen Media Research has agreed to share

its coveted demographic measurement data with Porter Novelli generated

substantially more buzz than your average industry revelation. Why? In

announcing it, the agency trumpeted the magic words guaranteed ...