Traffic on the new social network Google+ is down 3 percent this month, which has some people speculating that it is the beginning of the end.

Others think it’s way too soon to judge because so few people are using it, (10 million compared to Facebook’s latest estimate of 750 million ) and because it is not open to the public yet.

It’s also prompting questions about whether people have room in their lives for another social network.

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