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Most of what contemporaries see as junk (or more often don't see at all because it is of little worth and practically everywhere) has a curious tendency to become extremely precious finds a few centuries or more down the road. The richest archeological digs are not infrequently former rubbish heaps. – Bo Leuf

Actually, there have been research studies done in the recent past analysing today's garbage heaps, in the context of alcohol consuption, etc. – RadRob</div>