Smalltalk has the unrivaled ability to explore and change your environment graphically, and for the changes to persist. Only the web with the developer console

Smalltalk has the unrivaled ability to explore and change your environment graphically, and for the changes to persist. Only the web with the developer console comes close, and the changes aren't persistent. Binary image-based development with serialisation, now we aren't all trying to make exes, should be more of a thing.