It all started when Joseph Park wanted to buy the latest John Grisham novel. He logged on to Amazon.com found the book in seconds and proceeded to checkout. But the list of delivery options and shipping charges left him so nonplussed, Park says, that he eventually gave up and drove to a bookstore to buy it in person.
That was four years ago. Since then, Park founded Kozmo.com a one-hour urban delivery service that lets people place orders online and receive them by messenger--without a delivery fee. "I decided to take all the advantages of the Net and marry...