[swizzler]

There is code bubbles. Early demo: https://www.youtube.com/watch?v=PsPX0nElJ0k current site (eclipse plugin for java projects?): https://cs.brown.edu/~spr/codebubbles/index.html. Maybe also inspired Visual Studio debugger exploration. I haven't used it (but have wanted to)

[kraftman]

This is exactly what I meant, thanks!