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 c…READ FULL ARTICLE