Tag, Search And Summarize Google Docs

Highlight and tag text in a Google Doc for searching and creating summary documents across all Docs in Drive.
A great tool for students, researchers or folks who like to easily optimize organization and access.

In a single document you have multiple points spanning a wide range of topics. Tag, Search & Summarize allows you to tag specific parts of your notes, to later access them for a given topic, across all documents and owners in your Google Drive.

Link to the Add-on for Google Docs: https://chrome.google.com/webstore/detail/tag-search-summarize/ppkllkgaohmlklimlbciggekhhcgcoda?authuser=0

A bit more of an explanation about the why and the how:
https://medium.com/mavenlink-product-development/search-summarize-tags-in-google-docs-7cfba217a0c4