# Overview This section is meant for covering more vintage applications of displays. While most of these are no longer in use, that essentially makes them alternative displays as well at this point. Considering past display technologies still offer some valuable insights into what the future could hold as well. Also - there was some wild and crazy stuff that people used to get up to... --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://blair-neal.gitbook.io/survey-of-alternative-displays/legacy/overview.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.