The voluntary linkage of computer networks around the world is called the
internet which began to be used in the 1990s
. It initially began being used in the 1960s by scientists with
the aim of exchanging information about research. Between the year 1995 and
late 2002, the number of those connected to the internet rose from 26
million to more than 600 million. Currently, internet has now become a way of
life.