Internet is the network of networks.
It is network of computers communicating with each other over fiber optic cables, telephone lines, satellite links and other media. Technically speaking, the internet is a network formed by the co-operative interconnection of various computing networks. The size of internet is expanding day by day millions of new sites are added every day. Searching for the required information in this ocean of information, is like searching a small needle in the haystack. Searching through the vast amount of information on the internet is a challenge.