The models, from the slideshare notes[1]

  PatientsLikeMe.com
  Flattr.com
  Groupon.com
  Spotify.com
  PayWithaTweet.com
  HumbleBundle.com
  Free with in-app sales
  Quirky.com
  Airbnb.com
  Kickstarter.com

1- http://www.slideshare.net/boardofinnovation/10-business-mode...