Please write 4 DISADVANTAGES of owning a telephone. Thanks A Lot

The disadvantages of owning telephone are:
-The radiation of heat from the telephone can hurt your ear.
-You can only use telephone with wire.It blocks your movement.
-The telephone bills is the same even if you're not calling someone
-The telephone is manual and out of date.

1. Distraction
2. Interruption
3. Cost
4. Dependency