The document describes a demonstration on YouTube showing an executable business process model being modified by various tools and then executed on different process engines, demonstrating interchange of execution between tools and engines.

3. https://www.youtube.com/watch?v=iLg1_QLHzGY
A larger demonstration is available on youtube:

4. www.omgwiki.org/bpmn-miwg/doku.php

5. Interchange Scenario Demonstrated
Execution
Interchange
Starting from an executable
model, various tools will
make changes to the model
which will then be executed
on different engines

6. Execution
Interchange The executable model that will be modified

7. Execution
Interchange
Starting from an executable
model, various tools will
make changes to the model
which will then be executed
on different engines