MLS is a 100 year old real estate listing tradition. It stands for Multiple Listing Service, which is actually a database listing of properties for sale and purchase. The MLS database systems are the main publication listing among agents and brokers. Each day, new listings are posted and are forwarded to a membership of subscribing agents and realty services. Real estate MLS listings contain the property’s location; address; age; acreage or square feet, number of rooms and what they are; and the dollar value. The Internet is the advancement in MLS listings because it makes real estate listings available almost instantly and in a competitive market, this is key.