By Dr. Ravi Bhatia E-Mail-ravipbhatia28@rediffmail.com The world-wide web or the internet has become an omnipresent presence in the contemporary world. From sending and receiving messages to accessing services such as banking, booking rail or air tickets, to trading shares on stock exchanges, more and more people inhabit cyberspace with the aid of a computer. Science fiction writer William Gibson coined this term, which indicated his vision of a global computer network linking people, machines...

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