I guess I don't understand using this technology for delivering local items. Maybe their just in a shake out phase of testing. I can see that this might be huge for delivering things to areas that don't have good road systems where driving a truck over terrain that may cause it to break down might be considered wasteful.
"Critical medical supplies" comes to mind.
"a comedy-adventure about a misfit group of space travelers who stumble onto an alternate universe"
Otherwise known as a Yahoo board meeting