links for 2011-09-02

• A tipping point for the spread of ideas?
  Research suggests that once ten per cent of a population holds a firm opinion that view becomes the consensus very quickly
  (tags: network_analysis)
• Social Media is centuries old -- Economist's Tom Standage
  Wonderful presentation from Tom debunking the myth that social is something recent -- the Romans had tablets and all media was 'horizontal' until the 19th century.
  (tags: essentialreading economist)
• Is the 90-9-1 Rule for Online Community Engagement Dead ...
  Author suggests that the so-called 90:9:1 rule is misleading -- users are much more likely to contribute and create.
  (tags: metrics essentialreading)