This chapter is from the book
- See the 2009 research paper “Twitter power: Tweets as electronic word of mouth” by researchers at Pennsylvania State University and Twitter.
- See the 2011 research paper “Social laughter is correlated with an elevated pain threshold” by Robin Dunbar and others.
- See the 2010 research paper “Is it really about me? Message content in social awareness streams” by researchers at Rutgers University.
- For a great overview of research on happiness, see Derek Bok’s book The Politics of Happiness: What Government Can Learn from the New Research on Well-Being (Princeton University Press, 2010).
- See Robin Dunbar’s book How Many Friends Does One Person Need? (Faber and Faber, 2010).
- See the 2008 research paper “Word-of-mouth as self- enhancement” by Andrea Wojnicki and David Godes.
- For two examples, see the 1992 Social Psychology Newsletter article “The truth about gossip,” and the 1990 article “A social psychology of reputation,” both by Nick Emler.
- See Robin Dunbar’s book Grooming, Gossip, and the Evolution of Language (Harvard University Press, 1998).
- See the 2009 research paper “Emotion elicits the social sharing of emotion: Theory and empirical review” by Bernard Rimé.
- See the forthcoming 2012 research paper “What makes online content viral?” by Berger and Milkman.
- This example is from the 2011 research paper “Arousal increases social transmission of information” by Jonah Berger.
- The marketing consultancy Keller Fay have conducted many studies into how people converse. Explore their data at kellerfay.com/category/insights/.
- See the 2008 research paper “Dogs on the street, Pumas on your feet: How cues in the environment influence product evaluation and choice” by Jonah Berger and Gráinne Fitzsimons.
- See the 2011 research paper “What do people talk about? Drivers of immediate and ongoing word-of-mouth” by Jonah Berger and Eric Schwartz.
- See the 1977 social psychology research from Tory Higgins, William Rholes, and Carl Jones.
- See the 1982 research paper “Memory and attentional factors in consumer choice: Concepts and research methods” by John Lynch and Thomas Srull.
- See the 1990 research paper “Recall and consumer consideration sets: Influencing choice without altering brand evaluations” by Prakash Nedungadi.
- Statistics from internal analysis at Facebook.
- See the 2006 report “The strength of internet ties” by the Pew Research Center.
- See the 2010 research paper “I rate you. You rate me. Should we do so publicly?” by researchers at the University of Michigan, and the 2007 research paper “A familiar face(book): Profile elements as signals in an online social network” by researchers at Michigan State University.
- MINI’s innovative marketing strategy is described by Charlene Li and Josh Bernoff in their book Groundswell: Winning in a World Transformed by Social Technologies (Harvard Business Press, 2008).