Meta CEO Mark Zuckerberg will take the stand in a Los Angeles courtroom on Wednesday to defend his social media company against allegations that it knowingly offered a product that is addictive and harmful to kids and teens. The landmark trial against Meta and YouTube kicked off in late January. It centers on allegations brought by a plaintiff identified as "KGM," who claims that using social media from a young age caused her to become addicted and harmed her mental health. Meta CEO Mark Zuckerb