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My early first impression:

(Facebook) - (most of your friends) + (a few Twitter contacts) = Google+

Potentially, this looks pretty cool, particularly the sharing within circles feature. But it depends on how many people join. We'll see.
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Miriam Juckett's profile photoMatt DeVore's profile photoHolly Nicholson's profile photo
3 comments
 
That's very much how I see it, too.
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