jeff, personally i find it fascinating that there has always been this strong drive to find a relationship between content management and workflow in organizations that will converge/merge/become one.
True, people think about process when they think about creating and managing content, but that does not mean they are long lost related twins, trying to find one another to live happily ever after.
What about procurement, customer service, logistics, employee services, ad-hoc social and collaborative behaviors, event driven decision trees, manufacturing, and, and, and... when do they converge with process/workflow platforms. What if each of them does? do we end up with 10 process solutions in our organizations? one can argue all information is content, but it becomes very theoretical when trying to then define ecm as a set of related features.
process and workflow logic is as inherent to how organizations run and exist every day as is invoicing customers and collecting payments. I would imagine when the very first transaction between two people happened millions of years ago there was a decision and a related action involved (i give you this, then you give me that, then you go and use that while i use this to get another that from someone else...)
content management is just another set of organizational information that we need to manage by moving tasks between people, based on logic and context.
i truly believe that if we are looking for a specific convergence point between content management and workflow we will lose scope of what workflow/process can do for other areas of the organization. process solutions focusing only on content convergence tends to be weak and fall dramatically short when they need to manage organization wide logic/automation.
In a way it is similar to asking when SharePoint Lists/Storage will converge with SQL Server tables. The answer is never. they both store data, but one is a solution build on a generic feature rich data storage platform.
BUT.... workflow plays a super important role in content management (ecm) in the same way that an enterprise storage platform like sql will play behind a portal solution like SharePoint. We cannot underestimate the continuous need for content based solutions to depend on better structured and unstructured process platforms.
in other words, in the same way that data storage and management platforms need to provide a wide range of features to facilitate true enterprise applicability (storage, sql language features, reporting and analysis, backup and redundancy, and, and, and) next generation process engines need to do exactly the same thing to empower a wide range of technical and non technical users to rapidly solve business problems by empowering them to assemble dynamic business solutions/applications from re-usable building blocks across a wide range of solutions and systems of which ecm is only one (hell man, i should be in marketing

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i hope this helps to provide some insight into what we were thinking when we were looking at what we wanted to deliver across all the blackpearl skews this year. each skew will empower people in ways we have never seen or experienced before, and the core of that innovation is based on the community that lives on this site.
Thanks for participating in k2underground!
always have fun!
a3aan