The dark heart of Silicon Valley, plus Google turns 25

Silicon Valley is a bastion of innovation, where fortunes are made and unicorns created. But it also has its dark side in the rapacious business models, and the extreme concentration of power and wealth the Valley's key players have amassed. In his new book Palo Alto: A History of California, Capitalism and the World, best-selling author Malcolm Harris revisits the city where he grew up and takes us on a twisting journey through the history of this tech mecca and its influence on the world. Peter also looks at Google as it turns 25. Is the search giant ready to lead the disruption of the AI era? 

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