MCDVOICE : McDonald's Conducts a customer survey in the name  at MCDVoice official site. Customer who are interested in enter into monthly sweepstakes could participate in the mcdonald's www.mcdvoice.com survey. In-return, participants need a valid purchase receipt for participating in the mcdonalds voice  survey. The Customers who have taken survey are eligible for jackpot, 1 Lucky winner could Win $5000 or $100 Gift Cards respectively.Even there are many customer satisfaction surveys to complete , mcdonalds is special ones. By Taking  survey, customer or participant can give his opinion. It's the survey site to  participate in official www.mcdvoice.com survey. Within 7 days,  Submit the feedback & earn free sandwich on survey. User can redeem validation code with printed purchase receipt and  of sweepstakes on your next dine at the restaurant . After participated with mcdvoice survey conducted by the the mcdonalds food restaurant to give customers to the dining experience. Access the www.mcdvoice.com customer satisfaction survey to enter into monthly sweepstakes .