1. This is what a phone number is.
2. Sometimes you only need to dial 4 or 5 numbers (like in a hospital) but more often you will need 7 or 10.
4. There are ring tones.
5. This is a busy signal.
6. Sometimes a machine will answer. It is called an answering machine.
8. They cannot hear you when you are on “hold”.
9. Don’t try to communicate when you are on hold.
10. Hold music sucks.
There are a billion people on Instagram.
Twitter is smaller and a bit different but it is close enough that we can stop doing the anatomy of the tweet spiel every time we try to explain #MedTwitter