Share content with Google+
You can easily share interesting stuff online with friends, family and others using Google+ in Google Toolbar.
Share web pages with the +1 button
To share the web page that you’re on with others, click the +1 button in Toolbar.
See Google+ notifications
Keep up with the people in your circles by viewing your Google+ notifications directly in Toolbar . The notifications button shows up automatically when you’re signed in to your Google Account and use Google+.