One of the problems with the way the world is right now, is that invariably it has just changed and it’s about to change some more. Things that used to work, no longer work. And it’s not easy to translate that into “updated” versions of the same thing. If mailshots through the post used to bring you most of your business, this may have been replaced by email shots for a while, but then social media enters the fray, and email becomes less responsive. And so on. It is this type of change that OSS/BSS provider Paywizard tried to evaluate with the help of Ben Keen, the erstwhile CEO at IHS Screen Digest in the UK, who now tries to…