PROLOGUE
A Citizen of the World
HE ALMOST MISSED CLASS.
Steve Lewis arrived on the Harvard campus on a clear, cold February morning in 2010, minutes before the start of class, just slightly out of breath. Second-year business school students were already in their seats—talking, opening laptops, reviewing their notes—as Lewis came in hurriedly and sat down to observe. The class would be discussing a brand-new case study written about his young company, a startup with the lofty goal of building a state-of-the-art smart city in Portugal.
Toward the end of the class, Lewis took his place in front of the room with a noticeable lack of notes, papers, briefcase, or burden of any kind. He placed his iPhone next to the water glass and began to tell his ...
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