Meta CEO Mark Zuckerberg Testifies in Social Media Trial Over Addictive Platforms

Los Angeles, CA – Meta CEO Mark Zuckerberg testified in a Los Angeles courtroom on February 17, 2026, as his company, along with other social media giants, faces accusations of designing platforms to be intentionally addictive to children and young adults. The trial centers around a lawsuit brought by K.G.M., who alleges that extensive social media utilize led to addiction, depression and suicidal ideation [NBC Los Angeles].

The Core of the Lawsuit

K.G.M.’s lawsuit claims that the addictive design of platforms like Instagram, Snapchat, and TikTok, coupled with constant notifications, contributed to her mental health struggles. Snapchat and TikTok have already reached settlements with the plaintiff [NBC Los Angeles]. Zuckerberg’s testimony is expected to focus on whether Meta is adequately protecting young users and if the company intentionally targets children to increase engagement and, profits.

Zuckerberg’s Previous Testimony on TikTok

This trial follows previous testimony from Zuckerberg regarding the competitive threat posed by TikTok. In April 2025, Zuckerberg stated that TikTok was a “highly urgent” competitive threat to Meta’s business [New York Post]. He described a slowdown in Meta’s growth coinciding with TikTok’s rise in popularity, indicating the urgency with which Meta addressed the competition.

Broader Implications of the Trial

The outcome of this case is being closely watched as it could set a precedent for hundreds of similar pending lawsuits alleging damages from addictive social media platforms. Legal observers suggest the trial’s results could influence future regulations and accountability measures for social media companies [NBC Los Angeles]. Attorneys argue that these platforms utilize “complex algorithms designed to exploit human psychology.”

Meta’s Defense

Meta strongly contests the allegations made in K.G.M.’s lawsuit and maintains its commitment to the well-being of its young users [NBC Los Angeles].

Zuckerberg’s Online Presence

Mark Zuckerberg maintains an active presence on Instagram under the handle @zuck, with over 17 million followers [Instagram]. His TikTok presence is also notable, with the hashtag #markzuckerberg trending on the platform [TikTok].