By Laura Booth, Product Manager Holidays are around the corner, and our wallets are all going to get a little lighter. Yahoo Mail is here to help you save some of your hard-earned money! During the holiday shopping season, Yahoo Mail users will receive over 50 billion emails from retailers offering massive discounts on everything from toys, to electronics, to big ticket items people have been tracking all year. That works out to an average of 160 coupons for every man, woman, and child in the...