Thanks to those that contributed to this post, reviewed it and made suggestions for improving it:
Jon Kern (co-author of the Agile Manifesto), Matthew Skelton (co-author of Team Topologies), Mark Dalgarno (Agile conferences organiser, Agile professional), Carlo Beschi (Agile professional), Carlo Volpi (Sr Programme Manager), Luca Cicale (Senior Application Architect and Developer).

This post explores why Agile cross-team collaboration is fun...