A new tool developed tracks various sources of content in South Africa and graphically depicts what is trending in the country. They say the growth of internet penetration in SA has made this data interesting.
For businesses, you may want to limit internet access for employees during certain hours or certain sites as they could be spending working hours contributing to getting topics trending. IronTree has a solution to restrict internet access from a central point. Check out more here: http://www.fin24.com/Tech/News/New-tool-reveals-heart-of-SA-internet-20150505