International roaming is a major technical achievement of the GSM standard. Initially, users were impressed by the technical facility that a mobile phone would work initially across the European Union (EU) and in many other countries, and with a tri-band phone, in North America. Estimates of the...

In the autumn of 2014 the residents of Scotland, but not other parts of the UK, will vote on whether to leave the UK and to become a separate state, with a positive vote leading to an independent parliament expected to be elected in 2016. It would remain within the EU and in compliance with its...