search engine defined

A web search engine is a tool that is designed to search for different information that's spread across the world wide we. It simply retrieves all the information that a user wants to know while he types in some keyword in the search tab. The results known as hits are basically a list of some web pages or some images. Search engine biggies like google msn or yahoo are constantly striving to produce the most relevant search result a user can dream of. The complex techniques and algorithms that are being used behind these search engines are regularly reviewed and updated.
From some time now the search engines have become an way of internet marketing or in other sense a platform for advertising. Now along with it's benefits the search engines often provide us with some illusive information, manipulated by some oganization or individuals. The equations are often very vague, and there are bhfknvpd4s many things which go on beneath the surface. But like every thing it has it's good as well as evil sides. This is the law of the nature. So we can not really complain.