TELCOS have their back up against the wall more than ever before, with services such as the newly launched nanu vying for room in the market. The mobile call app, created by a local startup, allows consumers to make calls for free to landlines or mobile phones in return for listening to a short audio advertisement while waiting for the call to be answered. This is not the first encroachment on telco territory, but it is a larger one. Nanu works on any network, including 2G ones, unlike players such...
Telcos' biggest enemy is themselves