Twitter Welcome to the Third Age of Focus Groups https://t.co/1F1JK9bUwY @GreenBook #focusgroups #mrx https://t.co/Z2cw8XBdyo Welcome to the Third Age of Focus Groups https://t.co/1F1JK9bUwY @GreenBook #focusgroups #mrx https://t.co/Z2cw8XBdyo Apr 11, 2017 1 #focusgroups #mrx