It only requires completing a McDVOICE survey. Customers respond to basic survey questions like "How often will you visit McDonald's?" How good is the meal at McDonald's? Exist any grievances? Plus extra. You can get amazing bargains from McDonald's by answering this short poll on McDVOICE.com
Fill out the McDVoice Survey at mcdvoice.com to receive a voucher good for one complimentary egg or burger McMuffin (see to the receipt for details). You may use this coupon each time you visit McDonald's! Purchase required in advance. A survey invitation and the receipt from your most recent transaction are required. This receipt is good for seven days after the purchase date. It is valid for thirty calendar days.