global internet penetration vs mobile penetration: 1995 -2015

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the above charts by Mary Meeker (kleiner perkins )reflects the change in world internet penetration vs its mobile penetration. Currently internet penetration across the world is at 39%, (2.8 billion )out of which 23% users are from US and 19% are from China
Whereas mobile penetration across the world stands at 73%( with 5.2 billion users ) out  of which 60% use feature phones compared to 40% users using smartphone