What I would love is a full personal CMS type system, where I can have a subject like "cybersecurity" or "cooking" and I can add bookmarks, notes, pdfs, and they're all treated equally and as first class objects in the system.
I would love a system that treats all media the same as just a source of knowledge instead of being hung up on the source type i.e. is it a video, or a book mark or a pdf....
I would love a system that treats all media the same as just a source of knowledge instead of being hung up on the source type i.e. is it a video, or a book mark or a pdf....