TikTok and Snapchat have both reached settlement agreements in a landmark social media addiction lawsuit just before the first-ever jury trial on the matter was set to begin in California. The lawsuit, brought by a young woman identified as K.G.M., alleges that major social media platforms deliberately designed features to addict young users, causing significant mental health problems.
Settlement Announcements Shake Up Social Media Addiction Trial
The historic social media addiction trial, which began late last month in Los Angeles County Superior Court, now proceeds with only Meta (parent company of Instagram and Facebook) and Google (owner of YouTube) as defendants, after both Snapchat and TikTok opted to settle their portions of the lawsuit. Snapchat reached its agreement last month, while TikTok finalized its settlement just hours before jury selection began.
The timing of these social media addiction settlements signals that the companies may have concerns about evidence that could emerge during trial. Settling the lawsuit before trial allows TikTok and Snapchat to avoid public disclosure of potentially damaging internal documents and testimony that could affect thousands of similar pending social media addiction lawsuits.
The Plaintiff’s Allegations Against Social Media Giants
At the center of this groundbreaking lawsuit is K.G.M., a 19-year-old California woman who alleges that she developed serious mental health issues after becoming addicted to social media platforms at a young age. Her lawsuit claims that companies like TikTok, Meta, Snap, and Google deliberately engineered their platforms with features designed to maximize engagement among young users, despite knowing the potential psychological harms.
K.G.M.’s complaint specifically targets design elements such as infinite scroll, autoplay videos, frequent notifications, and recommendation algorithms that allegedly create addictive feedback loops. According to court documents, these features allegedly borrowed “heavily from the behavioral and neurobiological techniques used by slot machines and exploited by the cigarette industry.”
The plaintiff’s attorneys argue that these design choices led to depression, anxiety, eating disorders, and suicidal thoughts, not as unintended side effects but as direct consequences of intentional product design decisions aimed at maximizing user engagement and advertising revenue.
“Plaintiffs are not merely the collateral damage of Defendants’ products,” the lawsuit states. “They are the direct victims of the intentional product design choices made by each Defendant. They are the intended targets of the harmful features that pushed them into self-destructive feedback loops.”
Legal Strategy Targets Algorithm Design, Not Content
What makes this social media addiction lawsuit particularly significant is its focus on the platforms’ design choices rather than the content posted by users. This approach potentially circumvents Section 230 of the Communications Decency Act, which traditionally shields tech companies from liability for user-generated content.
The plaintiffs’ legal team is employing strategies reminiscent of those used against tobacco companies in the 1990s, focusing on addiction and allegations that companies knew about potential harms while continuing to market their products to vulnerable populations. This approach has already survived initial legal challenges, with the judge ruling that jurors must consider not just content but also the platforms’ design choices.
Broader Implications for Social Media Companies Facing Addiction Claims
This trial represents just the beginning of what could become a flood of litigation against social media companies like Meta, TikTok, and Snapchat. Currently, more than 2,000 similar complaints have been filed nationwide, with plaintiffs ranging from individuals and families to school districts and state governments.
At the federal level, most social media addiction lawsuits have been consolidated in the Northern District of California under U.S. District Judge Yvonne Gonzalez Rogers as part of a multidistrict litigation (MDL). A federal bellwether trial scheduled for June will focus on claims brought by school districts alleging they were forced to fund mental health treatment and intervention programs in response to the youth mental health crisis.
Additionally, more than 40 state attorneys general have filed lawsuits against Meta, claiming its platforms contribute to the youth mental health crisis through deliberately addictive design features. TikTok faces similar legal challenges in more than a dozen states.
Companies Defend Social Media Platform Safety Measures
Meta and Google have disputed the allegations that their products deliberately harm children. Both companies point to numerous safety features and parental controls they’ve implemented over the years.
“We strongly disagree with these allegations and are confident the evidence will show our longstanding commitment to supporting young people,” Meta stated. The company claims it has introduced dozens of tools to create a safer environment for teens online, though researchers have questioned the effectiveness of these interventions.
Google spokesperson José Castañeda similarly rejected the allegations against YouTube as “simply not true,” stating, “Providing young people with a safer, healthier experience has always been core to our work.”
The companies are expected to argue that any asserted harms are caused by third-party users rather than platform design, and that they cannot be held liable for content posted on their sites.
Social Media Harm Lawsuit Information
Social Media Addiction and Mental Health: The Growing Concern for Youth Well-Being, Stanford Law School
47 U.S. Code § 230, Cornell Law School
Attorney General James and Multistate Coalition Sue Meta for Harming Youth, Office of the New York State Attorney General


