It sounds like a lot of fun and for sure it is a way of getting rid of some anger issues without doing any harm!
Check some pictures and videos from previous city pillow fights and see if there is one scheduled in your city.
From the Upcoming ueue, submitted by scbr.
For more information contact below this address
1580 W. El Camino Real Suite 10 Mountain View, CA 94040 (877)-794-9511 (phone) 650-989-2131 (fax) firstname.lastname@example.org
New York hit over 5k people! That's crazy cleanup... I reckon anything under 1k is do-able in terms of cleanup. But I can see how 5000 people are a bit difficult to clean up after. Thus the importance of proper organization and responsible event management.
When pillows are outlawed... blah, blah, blah.
And that was the gayest thing I ever said.