We are becoming less and less dependent on mobile networks. You can get a data signal almost everywhere that you can get a mobile signal and most of us are around WiFi most of the time anyway.

Making phone calls without incurring traditional phone charges has become increasingly popular, thanks to the rise of free calling apps that utilize Voice over Internet Protocol (VoIP) technology.

FaceTime is one of the easiest ways to make a video call on an iPhone or Mac as long as the other people on the line also own Apple devices -- or so you might think. In fact, it turns out that ...