Use-Case cartoon speech bubbles

UML Use Case/Scenario ellipses look quite similar to cartoon speech bubbles. And each ellipse is of course supposed to be "spoken" by an actor. So sometimes when I'm coaching/training/etc I cut out ellipse shaped pieces of card and do some role playing.

You can have fun too. For example, developers often phrase their use-cases from the implementation perspective rather than from the actor's perspective. So when they write "Lend a Book" as the name of their Use Case, you can get them to actually try it. Pretend your inside a library, give them a book, and ask them to role play their use case. Like this... (the headband stops their arms from aching)

At which point someone role playing a Librarian can react like this...

...which makes everyone realize they should really have written this:

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