The Mail Art Movement is an artistic practice that began in the 1960s, where artists create and send artworks through the postal system. This form of art emphasizes communication and the exchange of ideas, often using everyday materials like postcards, envelopes, and stamps. It encourages participation from anyone, blurring the lines between artist and audience. Artists involved in the movement, such as Ray Johnson and Robert Filliou, often incorporate themes of collaboration and community. Mail art can include various styles, from collage to poetry, and is celebrated for its accessibility and ability to connect people across distances.