MoveOn is a progressive advocacy group in the United States that was founded in 1998. It began as an online petition platform aimed at mobilizing citizens against the impeachment of President Bill Clinton. Over the years, it has evolved into a significant political organization that focuses on various social and political issues, including healthcare, climate change, and civil rights. The organization utilizes digital tools to engage supporters and promote grassroots activism. MoveOn often collaborates with other progressive groups and campaigns, aiming to influence public policy and elections through advocacy, education, and mobilization efforts.