Here is a partial list of retailers whose product pricing and marketing strategies are being studied:
Barnes & Noble
Kids R US
These retailers are NOT sponsors of the retail Gift Card Giveaway program. The funding for this portion of the program comes from the organizations seeking the marketing research information.
Thousands of mystery shoppers like you will be spying on these retailers to report competitive pricing information back to the market research company. You will benefit because you can go on a shopping spree and the research info will help the competition keep up by lowering their prices too.