National Survey panel wants to know, which do you prefer, Diet Coke or Diet Pepsi?? By sharing your opinion and completing National Survey Panel’s program you will receive a $100 gift card! Enter your e-mail address and get started today, it’s that easy. Choose from several different gift cards that range from restaurants to Visa cards or even $100 worth of Coke or Pepsi. Your opinion matter and National Survey Panel wants to hear it. So let you voice be heard and get $100 to spend for free!