From Zendesk: There was a time when customer support meant you told a shop owner your issue with what they sold you, and they either decided the problem was for them to fix or your own damn fault. But then the tele­phone was invented and every­thing changed. Call centers emerged, phone trees were born, and suddenly there was no way around pressing “1″ for one thing and “2″ for another. It’s actu­ally pretty inter­esting stuff. So when you find your­self wondering how on earth hold music came to be, and why it always seem to be smooth jazz, let this little history lesson fill in some of the blanks. · Go to The history of customer support →