More than half of the mobile users are now using smartphones making it primary marketing channel for marketeers.
Penetration of the mobile users is slowing down due to saturation and it means that mobile phone is already adopted by most of the people worldwide,
Original Source:
See more at: http://www.emarketer.com/Article/Smartphone-Users-Worldwide-Will-Total-175-Billion-2014/1010536#sthash.yKIJvwwJ.dpuf
AMENDED 2017 Statistics
What Is Digital Marketing ? 
very insightful graphical presentation of Telecom Tech progress..Can you please share the same for 2017 ? Thanks