The Electronic Frontier Foundation (EFF) is a nonprofit organization based in the United States that focuses on defending civil liberties in the digital world. Founded in 1990, the EFF works to protect user privacy, free expression, and innovation through legal advocacy, policy analysis, and public education. The organization engages in various activities, including litigation, lobbying, and grassroots activism, to address issues related to technology and the law. It often tackles topics such as internet privacy, digital rights, and government surveillance, aiming to ensure that technology serves the public interest and upholds individual freedoms.