 I. I. Chundrigar Road (formerly McLeod Road), also known as the Wall Street of the city, remains the historical commercial hub of Karachi and is its main CBD.However over the years, notable business and trade activity has appeared in other conurbations of the city, including the Shahrah-e-Faisal thoroughfare, MT Khan road, Mai Kolachi road and the Clifton and Defence areas of the city.The recent trend of ICT (information and communications technology), electronic media and call centres has become a significant part of Karachi business hierarchy.