Links for 16th August, 2018

1. A useful set of data about Amazon and it's competitors in America.

1. "Flop" accounts on Instagram.

1. On Da Vinci's to do list from five hundred years ago.

1. Via MR: vomit fraud in Uber.

1. The always excellent Noah Smith on economics' evolution. I worry about going too far  in the other direction, though.