Many of us may wonder why MLS is so popular among people. To discuss the benefits and beneficial features of MLS mobile al, let us first know what MLS is. MLS is referred to as Multiple Listing Service. In other words, they contain a list of information arranged in a particular manner. The system is arranged very well and data is more or less complete as they are coming from realtors too. Because it is a system, it takes up a pattern where we can look at them or sort them out in a selected fashion.