As more and more people join the global information society and high-speed communication networks become an indispensable infrastructure, the tracking and measurement of developments in information and communication technologies (ICTs) remain as relevant as ever. According to ITU estimates, there will be 6.8 billion mobile-cellular subscriptions by the end of 2013 – almost as many as there are people on the planet. While the ubiquitous availability of mobile-telephone services is undeniable, with close to 100 per cent of the population covered by a mobile signal, not everyone has a mobile phone