A new idea being tested by the US Postal Service. Basically a glorified post office box where one can send and receive packages from a secured locker environment:
http://www.auctionbytes.com/cab/cab.../m01/i06/s02The only thing that puzzles me is why the revenue-strapped USPS would want to scout out and build these so-called kiosks and then not charge customers for the service.