There are those individuals who feel the smart watch is a pure waste of money. Perhaps, such people might not be cognizant of what a smart watch can do. Unfortunately, everyone is entitled to personal opinion. However, judging by the existing facts, the smart watch is a device really useful. Apart from the usually known functionalities such as telling time and maybe fashionable aspect, these devices have gained popularity in recent years, largely propelled by the advent of smart phones. Some of the key aspects that smart watch support include but not limited to invisible direction guidance, fitness tracking, m***aging and receiving calls, social media alerts, and entertainment.