20-year-old claiming social media addiction in landmark trial says she was on it ‘all day long’ as a child. Meta brings up abusive environment

A young woman who is battling against social media giants took the stand Thursday to testify about her experience using the platforms as she was growing up, saying she was on social media “all day long” as a child.

The now 20-year-old, who has been identified in court documents as KGM, says her early use of social media addicted her to the technology and exacerbated depression and suicidal thoughts. Meta and YouTube are the two remaining defendants in the case, which TikTok and Snap have settled.

The case, along with two others, has been selected as a bellwether trial, meaning its outcome could impact how thousands of similar lawsuits against social media companies are likely to play out.

KGM, or Kaley, as her lawyers have called her during the trial, started using YouTube at age 6 and Instagram at age 9.

A turbulent home life

Kaley took the stand wearing a pink floral dress and a beige cardigan and said she was “very nervous” after her attorney, Mark Lanier, asked how she was doing Thursday morning.

Lanier displayed childhood photos of Kaley and her family and asked about positive memories from her upbringing in a quiet cul-de-sac in Chico, California. She spoke of themed birthday parties, trips to Six Flags and her mom’s consistent efforts to make her childhood special.

Still, Kaley’s relationship with her mother was challenging at times. Kaley said most of their arguments were over the use of her phone.

Both the defendants and the plaintiff have pointed to a turbulent home life for Kaley. Her attorneys say she was preyed upon as a vulnerable user, but attorneys representing Meta and Google-owned YouTube have argued Kaley turned to their platforms as a coping mechanism or a means of escaping her mental health struggles.

When asked about claims that her mother had hit her, abused her and neglected her, Kaley said “she wasn’t perfect, but........

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