Barack Obama’s second-term inauguration sees him return with a far more aggressive political programme
Fastjet takes EasyJet low-cost model into African airspace
Sir Stelios Haji-Ioannou’s low-cost African airline is ready for takeoff in Tanzania
The great mobile technology leap forward
Sales of smart tech devices are soaring as the traditional PC declines. Observer writers look at their impact, which is already helping children to learn, spreading literacy, improving healthcare, boosting harvests in Africa – and making the web giants sit up
South African miners’ families back Julius Malema’s call for nationalisation
Jacob Zuma is criticised as former ANC youth leader says the president sided with mine owner when 34 were killed