Meta whistleblower Sarah Wynn-Williams, the former director of Global Public Policy for Facebook and author of the recently released tell-all book “Careless People,” told U.S. senators during her testimony on Wednesday that Meta actively targeted teens with advertisements based on their emotional state. This claim was first documented by Wynn-Williams in her book, which documents her time at Facebook and the “careless” disregard from its top execs, including CEO Mark Zuckerberg and former COO Sh...