You can remotely control another person's iPhone, iPad, and Mac using FaceTime. This requires you to use Facetime's screen sharing feature and request control of the other person's device.

FaceTime is one of the major new iPhone 4 features that set the smartphone apart from others, but we’ve been hearing that quite a few people are unable to place a FaceTime call from their iPhone 4, ...

Some people and organizations use an old iPhone to set up a dedicated FaceTime or videoconferencing workstation, one that can be used by various members of a family, office, or other organization.

If you can enable them on iPhone or, if you're using a Mac with FaceTime open, go to the FaceTime menu > Preferences. Then make sure the option to Allow Live Photos to be captured during video ...