prizes - US-friendly sites:
"GlobalTestMarket is a global market research panel powered by GMI (Global Market Insite, Inc.). GlobalTestMarket is an industry leader in online research panels, where members are invited to participate in online surveys on numerous topics, and in return are eligible for cash or regular and frequent entry into sweepstakes."
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"Survey Networks takes the end user through a short survey, which when completed, enters them into a drawing for any number of great prizes including cars and $50,000 cash!"
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"Ipsos is a worldwide leading market research company. You may have seen our name through our polling partner, the Associated Press. It is free to join the survey panel and panelists will have a chance to win prizes, like $5,000 cash or a car. Strictly for the US" US residents only..."
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