I often use Gemini free web chat because it's generally quite good at web search-related questions (apparently it has direct token-level access to the Google Search index) but I noticed in the last two weeks output quality of 3.5 Flash seriously degraded. Maybe they were switching over systems.

Google's Knowledge Graph is a massive advantage no other competitor has. I don't think they've fully utilized its full potential but I don't know if any other company could've built something like Scholar Labs

Knowledge Graph + automated transcriptions of almost every YouTube video = giant untapped moat of data

It's not exactly untapped, my AI company has scraped YouTube transcripts for 3 years now for RAG

Yeah and I've used this site for years when trying to recall a lecture I watched but only remember bits of

https://filmot.com/

(it lets you search youtube by transcripts)