Assorted Links Tuesday

Tracking the price of nails since 1695:

Goodbye fireworks, hello drones: 300 drones formed a QR code that rick-rolled Dallas:

Advanced manufacturing: What it is and why it’s worth investing in.

Headquarters relocation projects: A complex site selection process.

How the Middle Market is bouncing back: New research from Capital One discovers the middle market's optimistic expectations after a difficult 18 months.

Unemployment near a record low, Openings near a record high:

Economic diversity across the United States of America: The Economic Diversity Index for all counties and metropolitan statistical areas in the United States. How economically diverse is your county?