Mfonsio Andrew started posting on TikTok to get over her fear of public speaking. The 21-year-old Harvard student grew up shy. When running for school government, her friends had to run her social media accounts. She lost. In 2022, Andrew started posting on TikTok. She tries to be authentic, posting her honest thoughts without over-editing or filming multiple takes. "If you don't think you're good at public speaking, post yourself talking," Andrew said. "You're just talking to someone. That's