U.S.WorldBusinessArtsLifestyleOpinionAudioGamesCookingWirecutterThe AthleticAdvertisementSKIP ADVERTISEMENTYou have a preview view of this article while we are checking your access. When we have confirmed access, the full article content will load.To make artificial intelligence systems more powerful, tech companies need online data to feed the technology. Here’s what to know.Google, Meta and OpenAI train their artificial intelligence models on vast quantities of online data.Credit...Jim Wilson/...