Upwardly mobile
CNN reports on the cell phone boom in Africa:

“In less than a decade, cellphones, once the preserve of the very rich, are now ubiquitous in Africa and parts of Asia.

A device that’s sometimes used as a fashion accessory in the West has become a lifeline for millions of people in the developing world.” [...]

“In the Democratic Republic of Congo, with a population of 60 million, there are just 10,000 fixed telephones but more than a million cellphone subscribers. While in Chad, the fifth-least developed country in Africa, cellphone usage jumped from 10,000 to 200,000 in three years.”

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