Friday assorted links by Tyler Cowen July 17, 2020 at 11:22 am 1. Mormonism encourages multilevel marketing companies. 2. Prison population down eight percent during coronavirus outbreak. 3. The world’s cheapest hospital (India) has to get even cheaper. 4. Ultra-black fish (NYT). 5. Music and synasthesia, and Brian Wilson has hardly ever written a song in a minor key. 6. New movie about Chicago Boys in Chile? Is it even new? 7. How can you make maximum profit from a Twitter hack? And an explanatory attempt at what happened, with various questions.