One can also make a good case that inflation is itself a tax. (In which case, Izzy, that whirring noise may well be tax-fleeing ancestors spinning in their graves.)

Bernanke clearly admits this when asked about increasing the money supply by printing U.S. dollars (by the trillions? we're not sure because the Federal Reserve no longer publishes "M3" data on the amount of cash in circulation).

http://www.youtube.com/watch?v=D4yBrxmEOkY

I'm thinking bicycle transport may be more viable than horse-based urban delivery, given the most recent news from Washington.

On the lighter side, why stop at delivery functions? Behold, the couch bike:

http://www.bikeforest.com/cb/