Thousands of digital ambassadors are being trained before being sent out into the city to teach hundreds of thousands of Joburg residents how to maximise the use of technology and the city's broadband wifi connectivity it is rolling out. It is all part of becoming a smart city.
On Sunday 22 March on the morning after Human Rights Day, the people of Joburg are invited to join the Jozi Freedom Ride, a 28-kilometre cycle through city suburbs once separated by apartheid, from Sandton via Rosebank, Houghton and Parktown, ending in Alexandra.
Johannesburg, Joburg, Jozi ... It's South Africa's biggest city, the economic heartland of Africa, an urban sprawl slightly larger than Greater London made up of skyscrapers, squatter camps, mansions and mine dumps.