Question

In the history of civilization, there have been many significant developments, such as the invention of the wheel, money and the telephone, but the development of the internet is perhaps the most crucial of all. In the space of a few years, the world wide web has linked buyers in New York to sellers in Mumbai and teachers in Berlin to students in Cairo, so that few people can imagine life without it. It is estimated that over 70 per cent of North Americans, for instance, have internet access, and this figure is steadily increasing. Physical shops are under threat, as growing numbers shop online. In areas such as travel it is now impossible to buy tickets on certain airlines except on the internet. The web also links together millions of individual traders who sell to buyers through websites such as Ebay. Beyond the commercial sphere, the internet is also critically important in the academic world. A huge range of journals and reports are now available electronically, meaning that researchers can access a vast amount of information through their computer screens, speeding up their work and allowing them to produce better quality research. In addition, email permits academics to make effortless contact with fellow researchers all over the world, which also assists them to improve their output. There is, of course, a darker side to this phenomenon, which is the use criminals have made of their ability to trade illegal or fraudulent products over the internet, with little control over their activities. But such behavior is hugely compensated for by the benefits that have been obtained by both individuals and businesses. We are reaching a situation in which all kinds of information are freely available to everyone, which must lead to a happier, healthier and richer society.

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

Such as the invention of the wheel, money and the telephone...

Are these really critical developments?