Olivia Julianna (who uses only her first and middle name publicly to protect her privacy) has been an activist for several years, advocating voting rights and reproductive-health care. Like many in her generation, she found the political side of TikTok where young people post about important issues facing them. Olivia is involved with Gen-Z for Change, a nonprofit organization leveraging social media to promote civil discourse and political action on a variety of topics including…