A former engineering director at Meta who has testified before Congress about child safety on Instagram told jurors Wednesday at a landmark trial that the company took a "don't ask, don't tell" approach on kids under 13 on its platforms.

During his second day of testimony, Arturo Béjar said Meta consistently prioritized profits over safety in designing its products, focusing on how often and for how long people used them, even if it was detrimental to their mental well-being.

European Central Bank chief Christine Lagarde said Wednesday that the continent could not afford to miss out on the artificial intelligence revolution as the continent's growth model comes under increasing pressure.

OpenAI is launching a version of ChatGPT designed for teenagers — the first generation to grow up with artificial intelligence — who are already using it for schoolwork, questions about daily life and even companionship.

The San Francisco-based company says ChatGPT for Teens, which launches Tuesday, is tailored for kids aged 13 to 17 with stronger protections including content restrictions around things like suicide, self-harm and romantic or sexual chats. It also provides homework and study support designed to help students learn rather than spit out answers and school essays.

Opening arguments are set to kick off Tuesday in a pivotal trial for Meta Platforms in a California federal court.

Attorneys general from California, Colorado, Kentucky and New Jersey are seeking extensive financial damages plus changes to how the company operates Facebook and Instagram. Twenty-nine states sued the tech giant in 2023 over child safety and privacy — the other 25 will go to trial later. The company also faces lawsuits in state courts.

Russia's main domestic security agency said Wednesday that Pavel Durov, founder and owner of the messaging app Telegram, has been charged with aiding terrorism and put on an international wanted list.

The charges against Durov, who was born and began his career in Russia but later moved abroad, came as the Russian authorities restrict Telegram, one of the most popular messaging apps in the country. It is part of a long-term effort to bring the internet under the Kremlin's full control that has intensified since Moscow launched its full-scale invasion of Ukraine in February 2022.

The European Commission on Friday said it found TikTok had not adequately protected children's privacy rights on its platform by allowing adults to view the accounts of minors.

The action exposed children to cyberbullying, unwanted contact and predatory behavior, commission spokesperson Thomas Regnier said.

A top European Union official on Monday called for limits to be placed on children using social media as a special EU panel looking into the challenge recommended forbidding access for those under 13 until tech companies can prove their platforms are safe.

Growing awareness of the dangers social media poses for young, developing brains has shown up in a wave of new restrictions globally. Australia, the U.K., Turkey, Indonesia and others have passed bans on kids under 16 or 15 from using platforms like TikTok, YouTube and Instagram.

The hundreds of millions who use Meta-owned messenger WhatsApp to chat with family, friends or businesses will no longer need to share phone numbers under a coming update, the company said Monday.

The European Union accused Meta on Wednesday of failing to stop underage users from accessing Facebook and Instagram, in violation of the bloc's tough digital rules that require social media sites to protect minors.

The EU's executive branch said Meta Platforms lacked effective measures to prevent children younger than 13 from signing up, and that it was not doing enough to identify and remove children after they had opened accounts.

Turkish lawmakers passed a bill late Wednesday that includes restricting access to social media platforms for children under 15, state media reported.

The legislation is the latest in a global trend to protect young people from dangerous online activity.