This week is Geography Awareness Week, and today (November 18) in particular is International GIS Day.
You're first reaction to this might be "What is GIS?". According to wikipedia: "In simplest terms, GIS is the merging of cartography and database technology." I only know because I'm married to someone who once regaled with stories about GIS fun at uni. Alison now uses GIS regularly at work and was so excited about today that she baked a cake.
Anyway, all of this was kind of a rationale for me to post this classic clip from The West Wing about maps:
UPDATE: Here is Alison's post on International GIS Day