Search marketers who are integrating social into campaigns will want to know that eMarketer estimates Twitter will gain 10.9% active users this year, climbing to 286.3 million by the end of 2016. The
growth will happen worldwide. Just under one in five Twitter users this year are in the U.S., a share that is falling slightly. Brazil takes credit for 27.7 million users, followed by Japan
at 25.9 million, and Mexico at 23.5 million, according to eMarketer.
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