I think it would be useful to have just a personal basic search engine on that kind of contents, but possibly a RAG or even a fine tuned LLM would be even cooler.
Actually, e.g. Firefox could do that at least for its bookmarks and tabs, though it already does provide the function for tagging bookmarks. And I think there's probably an extension for searching tabs' contents..
The approach is not to capture all pages you view, rather you can add the pages etc you want in order to reduce the amount of noise/rubbish. It constructs a knowledge graph from these documents, and then a graph rag approach ontop to enable chat.
The core graph is based on wikidata, you can have your graphs either private or public if so they are published like those you can see on the site now.
Lots to do, but making ing good progress, if this sounds like something you might want to use please sign up.
The website does a poor job of conveying what the product is exactly, which is the reason that I did not sign up sooner. You might want to approach the text of the site from the premise that the user has no idea what you are presenting.
I agree with your points, my plan is to get a basic version in front of some people and shape it on their feedback. Plan to have it available in a couple of weeks.
...until it isn't.
A self-hosted open-source project you can download and run (or compile yourself and then run) is very different from a closed-source OS-level component that's developed by a for-profit company that makes at least some portion of its revenue on ads.
Twitter was "the public square of the web", until it wasn't. Google Reader was a best-in-class easy RSS reader, until it wasn't.
If you don't have the source code, you don't own or control the software. And when you don't own or control the software, it's reasonable to have more-guarded views on what data you're willing to give to that software.
If that software suddenly appears installed on your machine, constantly recording your screen and running entirely-opaque "AI processing" on it, unless you go through a series of steps to opt out...it's reasonable to be upset, because the opportunity to choose what you're willing to share has been denied to you.
And since it's a closed-source OS component, it's only something you can opt out from....until it isn't.