A Pennsylvania mother has won the right to sue TikTok over the tragic death of her 10-year-old daughter, Nylah Anderson. Federal law has long shielded Big Tech companies from lawsuits for hosting content created and uploaded by third parties. However, this landmark ruling by the US appeals court asserts that companies can be held accountable for “knowing distribution and targeted recommendation” of harmful content. The Deadly TikTok Challenge Nylah Anderson died in December 2021 after attempting the “blackout challenge,” a viral trend that encouraged users to choke themselves until they