Citizens of Nigeria , Africa 's most populous nations , and Kenya were the most vocal in their concerns over the choice of Ghana . More than 5,000 messages sent to Obama during his visit to Ghana . Despite widespread poverty , Africa has a vibrant cell phone market . Score: 6 Obama will address the questions on African radio stations and via Web video .
More than 5,000 messages sent to Obama during his visit to Ghana . Despite widespread poverty , Africa has a vibrant cell phone market . Score: 6 Obama will address the questions on African radio stations and via Web video .