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 ...

FaceTime Audio provides an easy way to make voice calls without relying on carrier networks.

Apple devices have long been recognized for their exclusivity and limited compatibility with Android devices. However, this is beginning to change, with FaceTime now accessible to Android users.

As seamless as Apple makes it look, FaceTime isn't magic. Like every other video-conferencing app, it works by streaming video and audio between devices, which means the moment you're off Wi-Fi, it's ...