Meta Platforms Inc., the parent company of Facebook and Instagram, has agreed to a settlement of up to $18 billion with 29 U.S. states to resolve a lawsuit accusing its platforms of intentionally harming young users. The agreement also mandates significant changes to platform features aimed at improving teen safety and addressing allegations of fostering addiction, anxiety, and depression.

The lawsuit, which focused on claims that Meta purposefully designed its platforms to hook children and teenagers, was settled after just five days of trial. California Attorney General Rob Bonta, who co-led the multistate effort, described the settlement as a "watershed moment" that would lead to observable changes on Facebook and Instagram within months. The states argued that Meta's business model prioritized user engagement through features that "hook," "hold," "harvest," and "hide" truths about the platforms' impact.

This settlement is one of the largest of its kind, drawing comparisons to the "Big Tobacco" cases of the 1990s, which exposed manufacturers' knowledge of nicotine addiction. While Meta admitted no wrongdoing, the company will implement several changes designed to protect minors. These include restricting "endless scrolling" for users under 18, setting a two-hour daily time limit on Facebook and Instagram for children, muting notifications overnight and during school hours, and hiding "likes" for teen users. An independent auditor will verify the enforcement of these measures.

However, critics have pointed out that some of these changes may be optional or dependent on parental discretion. Furthermore, Meta's ability to enforce these changes hinges on its success in implementing "age-assurance" technology, a challenge given that teenagers have previously found ways to circumvent such checks. The settlement's financial component is contingent on Meta's major rivals, including TikTok and YouTube, striking similar deals with the states.

The settlement comes amid mounting legal pressure on Meta. In the second quarter of the year, the company reported spending approximately $2 billion on legal fees to manage thousands of lawsuits globally. Prior to this agreement, the company faced a $942 million fine in New Mexico for failing to warn the public about the dangers its platforms posed to children, a ruling that characterized Meta as a "public nuisance."

Legal experts suggest Meta's decision to settle indicates a recognition of significant legal exposure. "Meta wouldn't settle unless it sees the writing on the wall and feels really exposed," said Nora Freeman Engstrom, a law professor at Stanford University. Stuart Benjamin, a law professor at Duke University, noted that maintaining addictive features for young users "is just too big a risk."

Despite the settlement, over 1,200 lawsuits filed by parents and schools remain. The changes mandated by the settlement are currently limited to the U.S., but analysts anticipate that other countries, including the United Kingdom, may soon demand similar protections for their youth, reflecting a growing global trend to regulate social media access for minors.

One notable case that preceded the settlement involved Tammy Rodriguez, whose 11-year-old daughter, Selena, died by suicide in 2021 after struggling with severe Instagram addiction. Selena had reportedly been groomed by predators and bullied on the platform. Ms. Rodriguez's testimony at a shareholder meeting highlighted the severe consequences of unchecked social media use, echoing concerns that Meta's own researchers had predicted but executives allegedly ignored.

In parallel, cases in the UK highlight similar concerns. Ellen Roome, whose 14-year-old son died in 2022, is pursuing legal action against TikTok and its parent company, alleging the death was linked to a "TikTok challenge." Ms. Roome expressed disappointment with the U.S. settlement, calling the changes a step in the right direction but insufficient, and urging Meta to implement similar protections globally.