Generate a sentence that begins with the phrase "I remember when".
I remember when people used to call their friends on the phone just to chat, rather than using social media and instant messaging.
Below is an instruction that describes a task, write a response that appropriately completes the request.

### Instruction:
Generate a sentence that begins with the phrase "I remember when".

### Response:
I remember when people used to call their friends on the phone just to chat, rather than using social media and instant messaging.