StretchText was coined by Ted Nelson and is the idea of having the detail of content in a document to be user-controllable. Meaning that text nodes can be expanded and contracte, for instance depending on reader’s interests. It’s comparable to zooming in the domain of detail or meaning.

Variable Level-of-detail Documents (Weston Beecroft)
http://symbolflux.com/lodessay/

http://www.telescopictext.com

Joe Coleman (personal website)
https://getcoleman.com
Here, the criterion is intensity or confidence.

„Idyll is a tool that makes it easier to author interactive narratives for the web. The goal of the project is to provide a friendly markup language — and an associated toolchain — that can be used to create dynamic, text-driven web pages.“

http://idyll-lang.org

„The Jupyter Notebook is a web application that allows you to create and share documents that contain live code, equations, visualizations and explanatory text.“

http://jupyter.org

„New image file formats for artistic purpose.“

http://extrafile.org