SAP Business AI is AI that solves actual business problems, like predicting what your customers want before they know they want it, or making sure there are no weak links in your supply chain.

Revolutionary technology, real world's results. That's SAP Business AI.

Welcome to Tech News Briefing. It's Friday, November 29th. I'm Julie Chang for the Wall Street Journal.

Can Hollywood work with artificial intelligence? Stability AI CEO Prem Akaraju and actor Joseph Gordon Levitt

went head-to-head last month at WSJ Tech Live discussing just that.

Image Generation Startup Stability AI is best known for its generative AI model, stable

diffusion, an open source tool that companies can use for free.

Its investors include ex-Facebook president, Sean Parker.

And Prem Akaraju is no stranger to the entertainment industry. He was the CEO

of Weta Digital, an Academy Award-winning film production and visual effects company behind

films like Avatar and Avengers Endgame. Joseph Gordon Levitt, known for films such as 500 Days

of Summer and Inception, says that performances by him and other actors

are being used by large language models to train new AI technology without permission

or compensation. They were joined by WSJ Senior Personal Tech columnist Joanna Stern. Here are highlights

of their conversation.

Joseph, I know you have a lot of thoughts about how these models are made, how they're trained.

Yeah, well, that's exactly right.

The first thing to say is for anybody who maybe doesn't know that much about how the tech works,

and I'm no engineer, but these models, they can't do anything without a ton of data to quote unquote train the models so that it can then spit out these new outputs.

And this sort of sleight of hand of calling something artificial intelligence is it kind of makes you ignore the fact that these

things were created by humans because who made all that training data that went into the

AI models? Well, humans did. And so this is something that concerns me a lot as an actor

...