True interactivity is not about clicking on icons or downloading files, it's about encouraging communication.
The idea that you make an experience that requires a conversation in a public place is training for the fact that culture is collective.
The skill of writing is to create a context in which other people can think.
It is easy to fail when designing an interactive experience. Designers fail when they do not know the audience, integrate the threads of content and context, welcome the public properly, or make clear what the experience is and what the audience's role in it will be.