For ideas on implementing this (under various names) try: https://indieweb.org/commonplace_book. Micro.blog may be one of the online platforms that does a lot of this with IndieWeb building blocks, allows syndication to twitter, has a low barrier, and a reasonable subscription cost. It’s a social reader that also includes
I’m always curious about which methods and tools people use to take best advantage of these knowledge ideas, particularly for collecting, curating, reusing, and ultimately creating. Have you written about your overall experience with Knovigator and how you use it in this context?