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November 8th, 2011 by SEM Contributor
In the last week the world population reached the 7 billion mark. To put that into perspective, that means there are now 7,000,000,000 people on earth. The population of the USA is around 313 million which is just 4.5% of the global total. Basically, there are an unbelievable huge number of people on the planet now.
A while ago Facebook…
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