In Marketing, People Are Not Numbersby Sam Ford | 12:00 PM February 13, 2013 http://blogs.hbr.org/cs/2013/02/how_companies_avoid_spreadabil.html For marketers, there was much to like about the broadcast era. It was easy to pretend things were simple, even when they weren't: general aggregate numbers and basic demographic data served were "close enough" for understanding audiences. Now, though, m..