What Is The Importance Of Advertising In Urban Areas?

Life in urban areas is very hectic. People there are very busy with their lives. They have to part up their lives in Studies, Job, Family, Friends etc. In all this they have very less time to explore what is new coming in. Also, in Urban areas new businesses keep on flourishing and new offers are continuously introduced by many organizations to attract their customers and it is possible that many won't get noticed by people if not properly advertised through popular advertising means.
Urban areas have large populations which means that If we communicate our products and services properly then we can achieve success easily because of many people choosing us. But, If we don't advertise, heavy possibilities are that we might get unnoticed by potential customers and face losses resulting in even shutdown of that product or service.