I've been thinking that this could be an interesting idea, especially when you consider that the Webvan model now seems to be becoming a reality. A larger size

I've been thinking that this could be an interesting idea, especially when you consider that the Webvan model now seems to be becoming a reality. A larger size delivery box for everything from dry cleaning to packages, maybe with a refrigerated portion for groceries. Maybe with some kind of access control so they couldn't be targeted by thieves, with codes that could expire?