We have done some shipping on behalf of some U.S. partners and we've taken advantage of a program similar to the one-pound flat fee and also the “cram as much stuff as you want inside this parcel for a flat fee” thing. For our core business, each box is a different size and a different weight. We're not like a publisher's clearing house that sends out 100,000 of the same item. Those sorts of programs are a little more efficient for that kind of thing.
On October 5th, 2016. See this statement in context.