FORTUNE -- Apple (AAPL) made headlines last month on reports that its iPhone shipments to India tripled in the space of six months. Since then it's instituted some aggressive marketing techniques, including an advertising blitz and a buyback scheme, that could propel the company's sales in the country, according to one estimate, to $1 billion before the end of fiscal 2013.
But the real limiting factor for Apple in India -- and other emerging markets -- may not the phone's price as much as the issue apparent in the OpenSignal map above: The vast portions of the subcontinent with no 3G and 4G cellular coverage.
TNW: At what point do you believe that the majority of people in emerging markets will own smartphones (if at all)?
Dediu: The question is academic. The more important question is when will mobile broadband be available to all those who own smartphones. The economics of providing bandwidth are out of sync with the economics of providing terminals that can consume it. If it continues this way, all those smartphones will not be used for mobile data and will thus be essentially dumb.
Frog Design's Jan Chipchase interviews residents of the world's hot spots so big business doesn't have to.
Jan Chipchase is the Indiana Jones of technology for the developing world. The British-born, Shanghai-based researcher travels the globe, trying to understand how and why the planet's poorest people would use cellphones and other gadgets. Part cultural anthropologist and explorer, and part designer and entrepreneur, Chipchase uses his findings to develop new products and MOREJessi Hempel, writer - Nov 29, 2010 3:00 AM ET
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