You still need a warehouse, order pickers, etc. What I think the Internet offers is the opportunity for you to peruse a catalog whether or not one was mailed to you, you threw it out, or you can't find it, or your kids have it in their room.
Digital delivery offers publications the opportunity to save on printing and postage.
That's what the USP is for Internet sales of goods for the consumer market. This is a fake email address. So many old members of this list were getting spam generated from siphons trolling the archives that I replaced all email addresses with randomly generated spam traps that forward mail to spam fighters. If you need to reach individuals mentioned in these archives, use a search engine to find their current location, as these addresses and archives date from 1994 to 1996.