In its Gmail blog, Google detailed a new feature for Google+ users that allows them to control their activity on a site directly from their inboxes. The new notification concept simplifies Google+ use for Gmail account holders in that notification emails now provide buttons and options for all Google+ actions. Users can view content within the notification email, rather than having to navigate to their accounts. From the emails, commenting on content, endorsing it with a +1 or sharing it is now simplified and streamlined
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Google+ makes inbox notifications interactive to encourage more social activity around content
