Evernote is a powerful collaboration and document organization tool used by over 150 million people. It offers various features such as merging notes, customizing the toolbar and sidebar, password-protecting text within a note, setting up reminder subscriptions, and organizing data using tags and notebooks. These features can help users optimize their workflow, increase productivity, and improve organization. By leveraging these often-overlooked features, users can unlock Evernote's full potential and make it an indispensable tool for managing work, projects, and personal documents.