The BBC Africa

Twitter delivered a surprise for Africa when it said it was establishing a regional headquarters in the West African nation of Ghana, triggering vigorous debate about the business environment for technology start-ups across the continent.

For the social media giant, its decision was based on shared values – Ghana supports "free speech, online freedom, and the open internet".

The fact it also serves as the HQ for the African Continental Free Trade Area – established to accelerate intra-African trade and freedom of movement – seems to have cemented Ghana's appeal as a gateway to the region.

Ghana was a way of becoming "more immersed in the rich and vibrant communities that drive the conversations taking place every day across the African continent", Twitter said.

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