Delivering marketing messages and content on mobile platforms has become essential as part of any digital marketing solution.
You need to have a mobile solution that responds to all device screen sizes for optimal viewing. Some websites are recording 30-40% of all traffic from mobile devices. This should not be ignored. If you are not reaching the mobile user you are losing a lot of traffic to your website.
More than 50% of the pages for local search visits are made on mobile phones and local search is projected to surpass desktops by 2015 and increases outside the U.S. and England because a higher percentage of people who use mobile phones as their primary or only device to go online.
Mobile subscribers worldwide:
There are 6.8 billion mobile subscriptions worldwide, estimates The International Telecommunication Union (February 2013). That is equivalent to 96 percent of the world population (7.1 billion according to the ITU). And is a huge increase from 6.0 billion mobile subscribers in 2011 and 5.4 billion in 2010.
 Mobile subscribers in the developed world is rapidly reaching saturation point with at least one mobile subscription per person. Mobile penetration in developed nations is around 128 percent of the population. This means market growth is being driven by demand developing world, led by rapid mobile adoption in China and India, the world's most populous nations. Mobile penetration in developing nations is around 89 percent of the population, according to the ITU.
At the end of 2012 there were 5.2 billion mobile subscriptions in the developing world (76.6 percent of global subscriptions). Mobile penetration in the developing world now is 89 percent, with Africa being the lowest region worldwide at 63 percent.
 Portio Research – in the excellent free Mobile Factbook 2013 predicts that mobile subscribers worldwide will reach 7.0 billion by the end of 2013, 7.5 billion by the end of 2014 and 8.5 billion by the end of 2016.
 Over half of the world’s mobile subscribers are in Asia Pacific. Portio estimates that Asia Pacific’s share of the mobile subscribers will rise from 51.3 percent in 2012, to 52.3 percent in 2013 and 54.3 percent in 2016. By 2016 Africa and Middle East will overtake Europe as the second largest region for mobile subscribers.
List of countries by number of mobile phones in use