I think you’re misreading Berry’s specialty. She deals with issues of trademark and intellectual property on the internet. That’s doesn’t have anything to do with astroturfing.
It’s pretty apparent that she’s a leftist, but it doesn’t look like she’s doing political activism on the net as a specialty.
Sorry, I gotta disagree.
It doesn't take a whole lot of imagination to make the intellectual jump from
Facebook Names: Protecting and Using Your Trademark On Facebookto
Wikipedia Names: Sullying and Trashing Someone Else's Trademark on WikipediaIt's exactly the same thing as Axelrod's Astroturfing and Psy Ops - plant positive disinformation about your guy and negative disinformation about his opponent.