MARKETING GLOSSARY # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z There is currently 1 name in this directory beginning with the letter X.X-FactorThe 'little something' that makes a product or service extra special. # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z There is currently 1 name in this directory beginning with the letter X.X-FactorThe 'little something' that makes a product or service extra special.