Forecasting …

In 1985 AT&T hired McKinsey & Co to predict what the cell phone market in the United States would be like in the year 2000.

McKinsey predicted that fewer than one million cell phones would be sold that year.

In 2000 the actual number of cell phones sold was 106 million.

Today more than six billion people own cell phones – in a world of 7 billion people -.

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