Zarrella’s Hierarchy of Contagiousness: The Science, Design, and Engineering of Contagious Ideas
Posted by admin on November 11, 2011Zarrella’s Hierarchy of Contagiousness: The Science, Design, and Engineering of Contagious Ideas Want to learn how to maximize social media? When to do it, what words to use, who to tweet at? Look no further than Zarrella’s Hierarchy of Contagiousness: The Science, Design and Engineering of Contagious Ideas. Social media master Dan Zarrella has amassed [...]