Executive summary

Meta is on trial in federal court facing allegations from 29 state attorneys general that it deliberately designed Facebook and Instagram to encourage compulsive use among minors, violating federal child privacy laws. The states are seeking up to $1.4 trillion in damages-nearly equal to Meta's market cap-plus court-ordered changes to how the platforms operate, making this potentially the largest consumer protection case in history.

What happened

A federal jury trial began in Oakland, California, with four states (California, Colorado, Kentucky, and New Jersey) representing a 29-state coalition suing Meta Platforms. The lawsuit alleges Meta violated the Children's Online Privacy Protection Act by collecting data from users under 13 without parental consent and designing features specifically to keep young users engaged for extended periods. The states claim Meta's algorithms were trained on harvested youth data to maximise time spent on platforms, exposing minors to harmful content including eating disorders, self-harm, and bullying. Meta disclosed that potential penalties could theoretically reach $1.4 trillion based on per-violation calculations under various state consumer protection statutes, though the company disputes the allegations and calls this figure "untethered to any claimed violation."

Why it matters

This case represents an existential threat to Meta's current business model. The $1.4 trillion maximum penalty nearly equals the company's entire market capitalisation, and legal experts note that such an award would likely force bankruptcy and potentially place Meta under state ownership. Beyond financial damages, the states are seeking structural remedies that could fundamentally alter how Facebook and Instagram operate, particularly regarding youth users. Meta already reported a rare profit decline last month, partly due to $2.4 billion in legal expenses, and recently lost two other significant child safety cases this year-including a $567 million penalty in New Mexico and a $6 million verdict in Los Angeles. While courts typically impose far lower penalties than theoretical maximums, any substantial judgment could force major operational changes and set binding legal precedents affecting all social media platforms' treatment of minors.

Bigger picture

This trial is part of a broader global reckoning for social media companies over their impact on youth mental health. The Los Angeles verdict earlier this year established that platforms can be held liable for addiction-related harms to minors, and the New Mexico case resulted in court-ordered safety measures including AI chatbot restrictions and mandatory warnings. Meta has responded by introducing teen accounts with privacy defaults, messaging restrictions, and AI systems to detect underage users, but regulators and safety advocates argue these measures remain insufficient. The case also highlights growing tensions between data-driven advertising models-which depend on maximising user engagement-and child protection requirements. Legal experts note this represents the most aggressive attempt yet by state attorneys general to use consumer protection statutes to reshape social media platforms, potentially creating a template for similar actions against other tech companies.

What to watch

The immediate focus is whether the jury finds Meta violated federal child privacy laws and state consumer protection statutes, and if so, what penalty range the court considers appropriate. Legal experts suggest actual damages would likely fall far short of $1.4 trillion, potentially following patterns from other cases where courts imposed a fraction of theoretical maximums. The 25 additional states in the coalition are expected to pursue separate trials later, meaning this case could establish precedents affecting billions more in potential liability. Watch for whether the court orders operational changes beyond financial penalties, such as algorithm modifications, age verification requirements, or restrictions on data collection and targeted advertising for youth users. Meta's share price and broader tech sector valuations may also react to any verdict, particularly given the company's $2.4 billion legal expense burden already impacting profitability.

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