Article on pooling mail suggests postage savings

We have all know for some time that larger volume gets deeper discounts in-terms of postage from the USPS. Here is an older article that still makes sense today.   Here is a good article on how Pooling for catalogers can coordinate printing and combined lists can achieve a single mailstream. 

http://www.retailonlineintegration.com/article/measuring-impact-mail-pooling-co-mailing-catalog-postage-costs-part-1-2-89844/1