Tag: zarrella’s hierarchy

ZARRELLA’S HIERARCHY OF CONTAGIOUSNESS A few days ago I bought and downloaded the ubiquitous eBook Zarrella’s Hierarchy of Contagiousness: The Science, Design, and Engineering of Contagious Ideas. There is a lot of stuff about social media out there but I find that many materials are fuzzy and hype-oriented. Dan Zarrella’s book is definitely different and…