WHAT YOU SHOULDN'T DO WITH YOUR MOBILE PHONE.

- You can take calls when crossing a street.

- You musn't interrupt a face-to-face conversation to take a call.

- You shouldn't call people back at night.

- You musn't repeat things loudly on a train or a bus.

- You shouldn't use your mobile phone in hospitals.

- You musn't keep your phone on during family dinners.

- You shouldn't leave long voiocemails messages.

- You musn't ask a caller to hold on for more than fice seconds.

- You shouldn't keep your phone on in the cinema or theatre.