links for 2008-03-04

• Docuticker » Zero as a Special Price: The True Value of Free Products
  turns out free stuff doesn’t behave by typical price benefit rules.
  (tags: economics free internet research)
• Beat Streuli
  people on venice beach. via WORK
  (tags: art media video)
• WorldChanging: Growing Sustainable Biofuels: Common Sense on Biofuels
  on the carbon payback times for converting land to produce corn ethanol (sugar cane is a faster payback)
  (tags: sustianability ethanol environment global_warming)