Graphic detail | Daily chart: Mapping the fortunes of Silicon Valley

Tech-tonic shifts

The fortunes of Silicon Valley's private and public tech firms

By The Data Team

SAN Francisco, Silicon Valley and the strip of land that runs along the shore of the Bay between them have had a tremendous decade as the hub of the global technology industry. The area’s biggest companies have soared to heights once unimaginable, coming to represent all that the world finds most exciting about American capitalism. The Valley has revolutionised nearly every aspect of the global economy, transforming how firms make decisions, people make friends and protesters make a fuss.

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