by Reinnier Kaze Agence France-Presse DOUALA, Cameron (AFP) — Talking fast and dreaming big, William Elong shows off the first “made in Cameroon” drone at his sixth-floor workshop in downtown Douala, minutes from the economic capital’s Atlantic seafront. The 25-year-old, known as a high-flyer after being named one of Forbes’ most promising young Africans under 30, is enthusing about his new unmanned aerial drones and keen to promote his company and Africa as a place […]