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.

Keyboard with e-ink keys for customizable contextual key layouts.

https://sonderdesign.com

Wireless sensor stickers for context aware applications. Considering the fundamental messiness of infrastructures and the procedural simplicity of the functional programming I imagine some interesting side effects if these things move around unintentionally, become trash and create a messy hyper-context, where you loose sight of what reacts to what. Maybe a question of context-aware ubiquitous applications in general.

http://estimote.com

Contextual news and storytelling platform.

http://www.fastcodesign.com/
http://fold.media.mit.edu