Question: I'm looking for a way to save time watching YouTube videos - is there a tool that can provide me with key concepts, highlights, and summaries?

First up is Summarize.ing, which offers immediate and accurate summaries of YouTube videos. It's got a range of features, including full summaries, detailed highlights, mind maps, segmented summaries and key concepts. The service is free for casual use, but premium tiers are available for heavy use, so it's good for people who need to process a lot of information.

Another good option is Video Highlight. This AI-powered system can summarize and take notes from videos, freeing you from transcription and other tedium. It's got an interactive chat interface for live Q&A, integrates with Notion for easy note-taking, and lets you navigate by timestamp. The system also can export summaries and highlights to Notion or Readwise, so it's good for market research or getting a quick handle on video material.