The Sheep Market is a collection of 10,000 created by workers on Amazon’s Mechanical Turk. Each worker earned $0.02 to draw a sheep facing left. These sheep drawings are available online and have been printed on collectable stamps.

Some interesting stats on The Sheep Market:

Average time spent drawing each sheep: 105 seconds
Average wage: $0.69/hour
Rejected sheep: 662
Collection period: 40 days
Collection rate: approximately 11 sheep/hour
Unique IP addresses: 7599

(Via J-Walk Blog)