LARRY MULVEHILL / SCIENCE PHOTO LIBRARY LARRY MULVEHILL / SCIENCE PHOTO LIBRARY
E-mail communication. Conceptual image of electronic mail (e-mail) as computer data travelling above letter boxes. Computers send and use data in the form of binary digits (0's & 1's). E-mail is part of the internet, a global network of computers able to send and receive information between themselves. Messages sent by e-mail can travel much faster than conventional letters.
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