Stacks is a unified web workspace that prioritizes collaboration and knowledge sharing. Stacks fosters a community-driven learning experience with features like shared workspaces and the ability to make collections public. Think of Stacks like Github for knowledge where a repository of information is created that can be shared within a team or open-sourced. Stacks offers a comprehensive, multi-dimensional approach to content management and learning, allowing users to save and organize a wide range of content types, including websites, pages, documents, images, videos, and more. The browser copilot feature enhances the user experience by providing convenient access to Stacks' features through a mini-dashboard on any webpage, without disrupting the browsing flow. Annotations and comments facilitate active engagement with content, promoting deeper understanding and retention. The search copilot feature is a collaborative search engine that provides recommendations using the knowledge that is left hidden and forgotten in bookmarks, research notes, newsletters, and knowledge repositories across the platforms.