It would ban tools that European lawmakers deem “unacceptable,” such as systems allowing law enforcement to predict criminal behaviour using analytics. It would introduce new limits on technologies simply deemed “high risk,” such as tools that could sway voters to influence elections or recommendation algorithms, which suggest what posts, photos and videos people see on social networks. The bill takes aim at the recent boom in generative AI, creating new obligations for applications such as ChatGPT that make text or images, often with humanlike flair. Companies would have to label AI-generated content to prevent AI from being abused to spread...