Update, April 4, 2009, from AP:
From Urbanprankster.com, April 2, 2009:
World Pillow Fight Day is Saturday [April 4, 2009]. Check out their site for a list of cities participating around the world. The New York event, organized by Newmindspace, has added a “no feathers” policy. This sounds like a good idea after the recent hubbub in San Francisco.