How old are your spices?

A quick how-to on making sure your spices are fresh. For those of you smart enough to buy from Penzeys, you probably know most of this already.

From Lifehacker:

That jar of paprika might have lasted you through college, but is it still fresh? The Unclutterer organization blog rounds up helpful links to freshness checkers that decode the numbers and letters that replace actual dates on some containers.

Link