Which establishment are these customers leaving?
More importantly, which one will they be returning to?
If your business has the luxury of participating in a non-competitive market, signage may not be a major issue. However, if you have competition in your field, then you must cater to every facet of the "purchasing experience." The decision to choose your business over another is the result of an overall feeling generated by your business, and the decision to return to your business is even more sensative. There are several factors involved, but remember, "first impressions are lasting impressions."