There was a time when letting people know about something required calling a land line and hoping the person happened to be near it. Otherwise, you needed to physically track them down. Then voicemail came along, offering an additional way to provide notifications.
The contrast couldn’t be greater between that era and today, when we find ourselves bombarded with notification emails, text messages, social media alerts, and even robot phone calls—some that we choose to receive and many we don’t even recognize.
