Figure 12.2 Successful businessmen: Bill Gates and Mark Zuckerburg. Image courtesy of Lori Tingey, http://commons.wikimedia.org/wiki/File:Bill_Gates_at_CES_2007_%28350043329%29.jpg (left). Image courtesy of Jason McELweenie, http://commons.wikimedia.org/wiki/File:Mark_Zuckerberg_-_South_by_Southwest_2008.jpg (right).
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