Throughout his career, Caspi has combined research with public activity and lively commentary. He published hundreds of articles in the printed daily and online press, including regular columns in a Jerusalem local paper, in the Israel Publishers’ Association monthly "Otot" ("Signals")' in "Haayin Hashviit" ("The Seventh Eye", an online media journal)' the op-ed section of "ynet" (an online newspaper produced by Yedioth Ahronoth) and a blog for Ha'aretz.