Vancouver Improv Anywhere, best known as 'The Flash Mob' do some really interesting and awesome stuff! I found a few videos on the internet and thought I would show you the kind of stuff they do. Lots of people participate and it's lots of fun! They plan out tons of fun events for everyone!
Here's a link to their website: http://www.improvanywhere.ca/ImprovAnywhere/Home.html (http://www.improvanywhere.ca/ImprovAnywhere/Home.html)
No Pants Subway Ride 2010 Vancouver
http://www.youtube.com/watch?v=67R0YQ5QSLA (http://www.youtube.com/watch?v=67R0YQ5QSLA)
Free Hugs Vancouver
http://www.youtube.com/watch?v=atz-TRkoruw (http://www.youtube.com/watch?v=atz-TRkoruw)
Vancouver Waterfront Freeze 2010
http://www.youtube.com/watch?v=g3qazmeCfZw (http://www.youtube.com/watch?v=g3qazmeCfZw)
Where's Waldo Vancouver
http://www.youtube.com/watch?v=Z8IeyyD6vcU (http://www.youtube.com/watch?v=Z8IeyyD6vcU)
Bunny Paparazzi
http://www.youtube.com/watch?v=e2-OMqLXzyQ (http://www.youtube.com/watch?v=e2-OMqLXzyQ)
Burrard Freeze 2010
http://www.youtube.com/watch?v=bGOCA5FwdcE (http://www.youtube.com/watch?v=bGOCA5FwdcE)
2010 Silent Skytrain Dance Party!
http://www.youtube.com/watch?v=F3MF0RO5V3g (http://www.youtube.com/watch?v=F3MF0RO5V3g)
Freeze Vol. 2 Improv Anywhere at MetroTown Vancouver April 30, 2010
http://www.youtube.com/watch?v=hJR5ISIin8M (http://www.youtube.com/watch?v=hJR5ISIin8M)
Pillow Fight Club in Vancouver
http://www.youtube.com/watch?v=mRAk_SCRSLs (http://www.youtube.com/watch?v=mRAk_SCRSLs)
[Official] imagine1day's Dancing in the Streets Flashmob | Vancouver Winter Olympics 2010
http://www.youtube.com/watch?v=FzVuLTPYtk4 (http://www.youtube.com/watch?v=FzVuLTPYtk4)
Flash Mob Metrotown 1.23.10.wmv
http://www.youtube.com/watch?v=dF9j_Y7nhoM (http://www.youtube.com/watch?v=dF9j_Y7nhoM)
There you go! Just a few videos of some of the things they have done! Go watch them!:D