Some time ago I heard from my Canadian friends that milk comes in bags instead of plastic bottles or cartons. Like most things Canadian, the concept seemed bizarre, like how Canada has a picture of a foreign Monarch on its currency or how you can poke fun of Canucks without having to worry about them swearing at you in your comments.
To all of us who are non-milkbag drinking citizens there is now a website to educate us about drinking milk from a sack that remains open and uncovered in the fridge.