There are over 2 billion people with a phone but no internet connection

"Six billion cell phone subscriptions are spread across five billion of the earth’s seven billion people, says Suneet Tuli, CEO of Datawind, maker of the world’s cheapest tablet computer. Yet only two billion people are connected to the internet, which means three billion people have everything they need to connect to the internet—except a suitable device.
“Are they lacking electricity?” asks Tuli. “Of course not–if you’ve got a cell phone, you’ve got some way of charging it. Are they lacking networks? No. If you’ve got a cell phone, you’ve got some way of being connected to it. So what is really left? What is left is affordability. A computer costs three or four hundred bucks, and a cell phone costs thirty or forty bucks. But what happens if a basic computing device that’s reasonably usable gets down to that price point?”"
Source:  Quartz.com, 29th November 2012

Note - I think the recent Ericsson mobile numbers are more reliable, so I've used them in the heading; the idea remains the same