Start G+, a Chrome extension that lets you automatically share Google Plus posts to Facebook and Twitter. Once after installing this plugin a new Facebook and Twitter toggle buttons appear near to the native circles tabs below status space. Now while updating Google Plus profile you can select to send the same message to other social platforms.
As an added feature you can also enable and disable Gmail browser-based notification from the tab on Google bar on top. If you click on Gmail icon it will display unread messages. Gmail and Google Plus unread notifications all from a single tab.
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