August 29, 2005 Okay – hands up all those who know what this invention is? Though this invention has been around in very similar form for thousands of years, a major breakthrough in technology enable a new more convenient version to be produced in post-war Europe, first going on sale in 1950. Since that time, 100 billion have been sold – in every country, at the rate of 57 per second for 55 years. It’s one of history’s greatest business success stories and it is ...
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