How would you like to receive bad news about your health? Would an email or an instant message be as

How would you like to receive bad news about your health?
Would an email or an instant message be as effective as a phone call? Would a
phone call be as effective as a face-to-face conversation? Why?

Do you think it is mostly a good idea or a bad idea for
people to use mobile apps that diagnose their health conditions and suggest a
course of action? Why?