Basically it's a play on "grass roots" movements. Powerful groups attempt to mimic grass roots, populist movements by hiring a bunch of employees to pose and regular people and write comments on forums, etc. And as you know, astroturf is fake grass.
[1] http://www.theguardian.com/environment/georgemonbiot/2011/fe...
Basically it's a play on "grass roots" movements. Powerful groups attempt to mimic grass roots, populist movements by hiring a bunch of employees to pose and regular people and write comments on forums, etc. And as you know, astroturf is fake grass.