Book Summary: Contagious

Contagious

On Word of mouth

  • versus advertising
    • it is more persuasive since the messenger has no monetary incentive and is a trusted person.
    • It is directed at the immediate context of the recipient
  • Only 7% of word of mouth happens online. Most still happens offline
  • Types of word of mouth
    • immediate word of mouth
    • ongoing word of mouth
  • Big forest fires aren’t caused by big sparks. Lots of individual trees have to catch fire and carry the flame

Word of mouth principles

  • Social currency
    • people want to feel special about themselves. When they get to share something extraordinary, they get the chance to Wow others.
    • Categories of currency
      • scarcity
      • exclusivity
  • Triggers
    • Ideas strongly associated with items frequently found the environment gets triggered more often. Pick common objects in a user’s environment that is not already laced with other meanings.
    • The more specific a trigger the higher the likelihood of triggered action.
    • Choose trigger right close to the proximity of the intended action
  • Emotions
    • Emotions that excites will be more likely to drive the recipient towards an action than those that.
      • Useful emotions: Awe, excitement, anger, fear
      • Not useful emotions: sadness, hopelessness
    • Associate the idea with emotions
  • Public
    • Monkey see, monkey do. Figure out how to make users activities more visible to those around them so that they could copy his action. A private action is unlikely to get copied
    • Choose stimulus that others can’t help but notice.
  • Practical Value
    • Useful things tends to get shared more frequently. While there might be less initial word of mouth, there will always be on going word of mouth.
  • Stories
    • help transfer huge amounts of contextual information to recipient
    • helps suspending judgement – using proof by analogy
    • story must be designed such that storyline falls apart when intended idea is removed from it
    • For dramatic purposes, interesting and novel points often get exaggerated as story pasts from one person. As such the story gets more and more remarkable as it is past along.

Related theories

  • Prospect theory: the WoW factor of an idea is often taken in association with the denominator its associated with
  • Rule of 100
    • for items below $100 present discount in percentage
    • for items above $100 present discount in absolute dollar figures

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