Johannesburg World Cities Research Network. In 2011, the population of the city of Johannesburg was 4,434,827, making it the most populous city in South Africa. In the same year, the population of Johannesburg's urban agglomeration was put at 7,860,781. The land area of the municipal city () is large in comparison with those of other major cities, resulting in a moderate population density of . The city was established in 1886 following the discovery of gold on what had been a farm. The city is commonly interpreted as the modern day El Dorado due to the extremely large gold deposit found
Internet in Africa countries on the eastern coast of Africa. The Kenyan government has started a similar project named TEAMS (The East Africa Marine System), with the collaboration of Etisalat. A third project, SEACOM, is completely African-owned. SEACOM bandwidth has already been sold to several customers, including the South African network TENET. In South Africa, the SANReN network, with a 500 Gbit/s core, has been designed to become the fastest academic network in the world; the universities of Witwatersrand and Johannesburg are already using a bandwidth of 10 Gbit/s provided by this network. Efforts to connect previously disconnected parts of the world have