While that would be an awesome Jetsons future, this doesn't seem like the kind of system that would well for long-distances, amateurs, heavy items, or fragile foods (would you like your 6-pack of beer shaken or shaken?). It's like the tunnels under Chicago that were supposed to revolutionize delivery, but didn't. (Tunnels: http://users.ameritech.net/chicagotunnel/tunnel1.html )