This is for the US residents as you need a US address to verify it. Anyways the concept is pretty simple you sign up to http://volkno.com and watch videos and tv shows to earn flow. In exchange to redeem your flow for amazon gift cards. $5 being the cheapest. It takes about 2 or 3 hours to earn your first gift card. I myself have been using them since they were in beta. Now they have been around almost a year. You don't really have to watch the whole thing. Just make sure you rate in the beginning of each video. Also do the small tasks at the end of the video. You only have to do this once. By watching the same video 3 times and doing the tasks as of rating it. You will earn .275$ per video. They have lots of videos right now and also add new videos all the time. No referral link for this one just a good program that i have been earning free gift cards from time to time.