> They used these techniques back in the days of JFK, too.
No, the contemporary approach is based on a series of tools, such as focus groups, which are a very new phenomenon in politics. The first national campaign where these figured prominently was 1992, I believe. (With e.g. "soccer moms" among the archetypal mini-groups.) Their sophistication increased by leaps and bounds up to the level described in this article. And they are quite game-changing for the nature of politics.
No, the contemporary approach is based on a series of tools, such as focus groups, which are a very new phenomenon in politics. The first national campaign where these figured prominently was 1992, I believe. (With e.g. "soccer moms" among the archetypal mini-groups.) Their sophistication increased by leaps and bounds up to the level described in this article. And they are quite game-changing for the nature of politics.