McDonald’s, one of the world’s leading fast-food chains, invites customers to share their feedback through its official survey platform, MCDVOICE, at www.mcdvoice.com. To participate in McDonald’s survey, simply visit the site within 7 days of your purchase and choose between English or Español. A valid McDonald’s receipt with a 26-digit survey code is required to begin. The MCDVOICE survey enables customers to rate their recent dining experience while contributing to improvements in service