As the usage of mobile data is significantly increasing, the demand for free public Wi-Fi also continues to grow. The ministry of science & ICT (MSIT) and some municipalities in Korea have been constructing free Wi-Fi networks on mass transportation for the benefit of users. In this study, we...

With the continuous development and iteration of telecommunication technology, the users' requirements of the quality and service have increased dogmatically. In order to meet the diverse and personalized consumer demands, virtual network operators came into being. In 2013, China officially...

The internet giants - Facebook, Amazon, Netflix and Google, among others - have transformed society with both positive and negative effects. The negative effects have been stark. There have been huge disruptions caused by e-commerce. More recently, subtler, but even more serious negative effects...