Efficiency - Having a danish girlfriend has forced me to re-examine the meaning of the word.

Efficiency can mean different things to different people, different countries and different cultures and my girlfriend from Denmark has got me to re-examine what it means to be efficient. What is the most efficient way of stocking your kitchen cabinets? Should you get every drop out of a bottle of shampoo? And if you find a good pair of shoes should you buy a second or third pair in case they are discontinued? Sometimes being efficient in one way is not so efficient in another!