Friday assorted links by Tyler Cowen March 4, 2016 at 11:58 am in 1. World’s oldest library, in Fez, Morocco, is reopening soon. Ibn Khaldun studied there. 2. Hacker pirates who are really pirates. 3. Is the next Amazon failing right now? 4. Getting bigger all the time. 5. Many measures of U.S. labor market fluidity are down (pdf).