when it came to how Google made money today, that process wasn’t very high-tech or innovative: it had become an enormous advertising company, like Facebook. The vast majority of Google’s profits and revenues came from tracking people’s personal information to target them with ads, through search, YouTube, and Gmail, and on millions of websites and apps that used the Google Display Network. There was something a little disconcerting about that for someone like Hassabis, who wanted to use AI to help the world. But he also knew that if he didn’t bite, Google could end up poaching his staff and
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