3. A DAY ON EARTH
154,000 cars roll down the production lines
5,500,000 people travel by air
1,000,000 PCs sold to customers
88,000,000 barrels of oil produced
enough to fill 5600 olympic swimming pools
and many, many more
“Knowledge is our most powerful engine
of production”
Alfred Marshall, 1890
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5. Wal-Mart Stores
2,100,000 employees
US Postal Service
671,000 employees
IBM
426,000 employees
AT&T
265,000 employees
Annaly Capital
Management Inc.
87 employees
Examples of US top 1000 companies by revenue (2011), surface corresponds to the number of employees
Source: Datamonitor
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