Remembrance Day - Wots it all about?

[pacman1]

I sometimes wonder, in this day and age, if younger generations really understand what this country is all about. And why we have Poppy Day at all. If any of you are in doubt, it's only 15 minutes. Listen.
http://www.bbc.co.uk/iplayer/console/b00nqbl3

eta, apologies for the popularist BBC trailer.