1) The document provides step-by-step instructions for creating a Yahoo email account, including logging on to yahoo.com, clicking "Mail" or accessing it from the sidebar, clicking "Create new account", filling in required information such as a username and password, and clicking "Create account".
2) Upon successful account creation, the user is directed to their inbox where they can compose, send, and receive emails, add contacts, and use other communication features.
3) Yahoo allows users to collaborate in real-time with people globally and access live streaming video events from the homepage.