Sub-Saharan Africa has sometimes perked up a bit, only to slump again when commodity prices drop and the world economy falters.

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Predominantly because in between shots you have to light up, which sometimes takes a bit of time.

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In Nairobi, "tech-incubators" are springing up, places designed to give young IT entrepreneurs the space - and sometimes a bit of cash - to develop their ideas.

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But sometimes, like right now, it may take a bit more to get people to perk up and take notice of a brand.

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