What makes Nairobi Africa's 'most intelligent' city

Story highlights

  • Nairobi is the only African city to make it to the world's top21 "intelligent communities"
  • The Kenyan capital, however, missed out of the top seven finalists

CNN Marketplace Africa covers the macro trends impacting the region and also focuses on the continent's key industries and corporations.

(CNN)For a second year in a row, Kenya's busy capital city of Nairobi has been named the most intelligent city in Africa -- failing, however, to make it to the world's top seven finalists.