Public pillow fight on Feb 14 in San Francisco

Pillow Fight Club stages giant, fre public pillow fights in major cities -- hundreds of people turn up with pillows and good-naturedly clobber one-another. The next one's V-Day in San Francisco:
When: 6pm on Valentine’s Day (February 14th)
Where: San Francisco’s Justin Herman Plaza (at Market and Embarcadero)

1) Tell everyone you know about PILLOW FIGHT!!!
2) Wait for the Ferry Building clock to strike 6:00pm
3) Don’t hit anyone with out a pillow (unless they want it)
4) Don’t hit anyone with a camera

Link (Thanks, Scott!)