Sydney Towle, a social media content creator who projected enduring optimism as she chronicled her life with a rare form of cancer, has died, according to her family. Her mother, Elizabeth Morrow, and brother, Austin Towle, posted a video to her TikTok account confirming she died Wednesday. At the time of her diagnosis, Towle already had a presence on social media where she shared videos from her everyday life. She worked as a social media manager at Epic Games. Her father, Philip Towle, died in 2016.