People stand out from other living beings due to the peculiar nature of their brain. Throughout the evolution, they have continually utilized the power of thought to ease and comfort day-to-day living. Think of how people travel from one place to another as an immediate example. We used our feet to travel killometers earlier. We soon realized horses and donkeys could be exploited for this purpose. When wheels were invented, traveling took on a whole new meaning! We can now travel at an incredible speed. In the previous old time, the marketing system was different from this time.