Yes, that's true. That can help with international rate discrepancies for ecommerce sites that have those different TLD's. But I know for a fact that there are large ecommerce sites out there that are not doing per-TLD ad syndication, as they probably should.
Also, shipping rates within a single country can still vary pretty dramatically based on distance traveled, whether you're shipping to a remote area postal code, etc.
Also, shipping rates within a single country can still vary pretty dramatically based on distance traveled, whether you're shipping to a remote area postal code, etc.