Both these articles from The Guardian this week are worth reading, including the comments if you can stomach it...
http://www.guardian.co.uk/lifeandstyle/2013/jul/18/armpits-4-august-body-hair-feminist
http://www.guardian.co.uk/fashion/2013/jul/15/woman-shave-armpits-still-feminist
I'm considering dying my armpit hair for august... not sure what colour though... any thoughts??