This simple internet game has an interesting way of making a powerful point.
I highly recommend playing it at least once (should take no more than 5 minutes).
HT: The American Papist
"...anything that Hobbits had no immediate use for, but were unwilling to throw away, they called a mathom. Their dwellings were apt to become rather crowded with mathoms, and many of the presents that passed from hand to hand were of that sort."