This document discusses Facebook's Lookalike Audiences tool and how it can help auction professionals better connect with potential new customers. It explains that the tool allows users to build new target audiences based on common characteristics between existing customers and other Facebook users. The document also provides an example of how the National Auctioneers Association successfully used Lookalike Audiences to promote an event, driving over 400 clicks at a low cost. It concludes by explaining the basic steps to set up a Lookalike Audience on Facebook.