1) Facebook : 3.03 Billion

2) YouTube : 2.5 Billion
3) WhatsApp : 2.0 Billion
4) Instagram : 2.0 Billion
5) WeChat : 1.3 Billion
1) Facebook : 3.03 Billion

2) YouTube : 2.5 Billion
3) WhatsApp : 2.0 Billion
4) Instagram : 2.0 Billion
5) WeChat : 1.3 Billion
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