In a convivial atmosphere, complete with brass bands and good humor, Parisians gather in the streets to have fun and raise awareness about the proliferation of electronic adverstising in the subways. A new citizen movement is spreading throughout France: anyone can join the ranks of "Les Reposeurs" [Redecorators], a group of protesters armed with kraft paper, markers, and whiteboard paint to write anti-advertising messages on posters and billboards.