(I)The telephone has come a long distance indeed since Alexander Graham Bell invented the first crude transmitter in 18(II) Today we can place calls from automobiles, ships at sea and planes in the air. (III) Using the phone system, we can fax documents around the world. (IV) Most local telephone markets are still monopolised by one company, but competition is growing. (V) Soon we will be able to dial up images of computerised data.