Swapping is a process which includes exchange of goods or services for goods or services without the medium of money exchange. It is very much similar to the ancient barter system; in most of the countries it is usually bilateral or multilateral. But there is no evidence that a society existed completely on barter system. Barter system usually existed between total strangers or enemies. There was rarely barter system between family members or friends as there lied a gift concept between them. One to one swapping system occurs between individuals in businesses on an informal manner. Online swapping is a very useful concept as you can sell out the unwanted things that you never needed for something useful, that you wanted to have for a quite long time. It could be books, bags, gargets, movies, shoes, etc. This is one of the best solutions for all the useless things dumped…