How are the Google services linked together?
You have one username for all services in the Google Apps package. Once you log in to one service, you can easily access all others. Rely on the Start Page to provide access to the rest of the services. The Start Page is publicly available, but won’t display personalized content until you log in. You can see a recent snapshot of new mail, calendar events, and updated documents. Within your email account, you can chat with your contacts. You’ll receive invitations for calendar events and to collaborate on documents and spreadsheets.