1. The document provides instructions on how to sign up for a Google account and request an invitation to join Google Plus in order to take advantage of their networking and marketing tools.
2. It describes how to set up your Google Plus profile for business by adding your business information, links to your website, and categories like photos and videos.
3. The document explains how to use Google Plus features like Circles to organize contacts, Google Buzz for bookmarking, and streams of information to control what others see and read from your profile.