Many of you may be noticing a new version of Google+ which is rolling out now. You can learn more info from +Vic Gundotra and on the Official Google Blog: What do you think of the new look?
Toward a simpler, more beautiful Google

We've just begun the worldwide rollout of a more functional and flexible version of Google+. We think you’ll find it easier to use and nicer to look at, but most importantly, it accelerates our efforts to create a simpler, more beautiful Google.

You can read more about it here:

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