On March 13, 2013, Google announced the retirement of Reader in July.
“There are two simple reasons for this usage of Google Reader has declined, and as a company we’re pouring all of our energy into fewer products. We think that kind of focus will make for a better user experience” Official Google Reader Blog.
Source : http://s3-ec.buzzfed.com/
But, according to data from BuzzFeed Network, a set of tracked partner sites that collectively have over 300 million users, Google Reader is still a significant source of traffic for news and much larger one than Google+. Nevertheless, this data isn’t complete. Google Reader traffic became much harder to measure last year when Google began to default users to SSL encryption in such a way that masked referral data.