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 is hosted on Web servers located elsewhere. Additionally, measurable data do not consider private peering, i.e., inter-ISP traffic that does not go through IXPs. For example, the main academic network in South Africa, TENET, has 10 Gbit/s private peering with ISP Internet Solutions both in Johannesburg and Cape Town. The privatization of the telecommunication market, as well as the regulation of the competition in this market, are in an early stage of development in many Africa countries. Kenya and Botswana have started a privatization process for Telkom Kenya and Botswana Telecommunications Corporation (BTC), respectively. The mobile telephony market is generally