Then of course, one has to go following @yvonnezlam down various (productive!) rabbit holes — like:
“ This is Not a Boundary Object: Reflections on the Origin of a Concept”
by Susan Leigh Star
http://www.worldpece.org/sites/default/files/artifacts/media/pdf/0162243910377624.pdf
And
“Boundary Negotiating Artifacts: Unbinding the Routine of Boundary Objects and Embracing Chaos in Collaborative Work”
by Charlotte Lee
https://depts.washington.edu/csclab/wordpress/wp-content/uploads/Lee-2007.pdf