In 2008, Paul Graham mused about the cultural differences between great US cities. Three years earlier, Graham had co-founded Y Combinator, a “startup accelerator” that would come to epitomize Silicon Valley — and would move there in 2009. But at the time Graham was based in Cambridge, Massachusetts, which, as he saw it, sent a different message ...

There’s good reason to fear that A.I. systems like ChatGPT and GPT4 will harm democracy. Public debate may be overwhelmed by industrial quantities of autogenerated argument. People might fall down political rabbit holes, taken in by superficially convincing bullshit, or obsessed by folies à deux relationships with machine personalities that don’t really exist. These risks ...