How does Adwerx identify potential buyers or clients?

According to the National Association of Realtors, the average real estate customer researches real estate related items on the web, such as homes for sale, mortgages and moving companies, for about two weeks before ever talking to a real estate agent. Adwerx identifies these people with anonymous online data to determine if they are potential clients. If it's determined they fit the criteria, they start seeing your ads.