everyone's mobile phones, especially IM services. It costs a dollar or two to make a call from a payphone but several cents a minute on mobile
there is 2 payphones left in manhattan
obsolete
telegraph
Yes, they do.
Minicomputers are no longer made, the microcomputer made them obsolete.
No
No - they are owned by the telephone company.
Because it's obsolete. Obsolete means that people have made something better and no longer need the first version.
The answer will depend on which country you refer to.
Anti-Ship Missiles
Invention of the pendulum clock
the siege tower