I had a professor who said that in the early days of priceline he used to book fully refundable flights from London or Paris to NYC on the concorde then cancel

I had a professor who said that in the early days of priceline he used to book fully refundable flights from London or Paris to NYC on the concorde then cancel them - just to pick them back up on priceline for a few hundred bucks at the last minute. Never knew if it was bullshit but certainly made a good story when I heard it in 2008. The context of the global financial crisis made the .com boom/bust look quaint.