Assorted links by Tyler Cowen August 28, 2010 at 7:07 am in Web/Tech 1. Guide to the Econo TwitterVerse. 2. How good are heavy metal singers? 3. Do the rich spend more from tax rebates? 4. Good photos of the frozen aquarium. 5. A redesign of U.S. bank notes? 6. Nearly complete works of Igor Stravinsky, conducted by Stravinsky, 22 discs, $33.98.