In the year 1820, a person couldexpect to liveless than 35 years, 94% of the global populationlived in extreme poverty, and less that 20% of the population was literate. Today, human life expectancy is over 70 years, less that 10% of the global population lives in extreme poverty, andover 80% of peopleare literate. These improvements are due mainly to advances in technology, beginning in the industrial age and continuing today in the information age.
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