Online Jobs

Has anyone ever tried any of the jobs on this website - https://www.odesk.com/jobs/

I posted this so others can see some potential in the site and to ask if anyone who's taken work from this site had much success?

Here's an example of a simple piece of work that almost anyone can do - nvm parts of the url gets blocked, basically the job was to create 500 facebook acc/emails for like $250.