1.) Can you send emails to other computers without a network connection? 2.) What if you know your friend's IP address? Can you send an email then without a network connection?

3.) What do you suppose the network connection does with your email when you send it?

What is it called during the editing process when the processor ensures that a character holding a coffee mug from one angle is holding the same mug in the same way when the shot switches to another camera at another angle? cinematography continuity technology prop use