Just stumbled across this article and although 28 isn't mentioned directly thaey do use it as an example and link back directly to it through an older report aswell...
http://www.hellmail.co.uk/postalnews/templates/postal_industry_news.asp?articleid=3050

http://www.hellmail.co.uk/postalnews/templates/postal_industry_news.asp?articleid=3050
