Dupe: http://news.ycombinator.com/item?id=416055

Don't think it is a dupe; it's the blog post that jeffbarr said he'd put up in response to a comment on that article you linked to that asked for the option to add a surcharge.

Ah! Thanks for the fix.

If you're selling data, this could be killer. There are apps like http://spinn3r.com/ that would no longer have to worry about scale or delivery

Alas it doesn't charge the requester for storage.