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The second position of
Google+ is for the firm,
"a significant trend in the evolution of social media."
Of these nine months, in terms of active users growth, Twitter display a
growth rate of 44% to 35% Facebook and Google+ to 33%. GlobalWebIndex for an
active user is one who has "contributed to the use or service in the last
month." By cons, a user who clicks on a +1 button to a web page is not
necessarily a member of Google+.