Amazon Mechanical Turk , A Place for Online Worker Hunters and Work seekers

Amazon mechanical Turk is a market place for work.

As a Mechanical Turk Requester you:

Have access to a global, on-demand, 24 x 7 workforce
Get thousands of HITs completed in minutes
Pay only when you're satisfied with the results

As a Mechanical Turk Worker you:
Can work from home
Choose your own work hours
Get paid for doing good work

Just have a look at the site!!