Chew On This:

  75% of all twitter postings are created by 5% of the twitter population.  But to really make this morsel of trivia appealing, check out David McCandles visualization of Twitter use, Truth About Twitter.  Visualizations run the gamut, from pretentious to prescient.  But it's usually worth a look.  Information is Beautiful is a great website for it

Other interesting news feeds:

• Switching to Efficient and Clean Energy Systems - 
• Can be presented as remarkably straightforward (visualization of surface area of solar power to power the world).
• Or remarkably complex - The Atlantic Monthly's study on California energy policy.