Assorted links by Tyler Cowen December 24, 2013 at 10:15 am 1. Cyborg call centers and telemarketing. 2. Using drones to market real estate. 3. How many ACA subsidies will need to be returned to the government? And David Brooks on ACA and mandates. And are these the right traffic estimates for healthcare.gov? 4. Michael Pollan on the intelligence of plants, very good piece. 5. The Telegraph on best fiction of the year.