You have big news that you want to share with family in Mexico, India, or the UK. Maybe you will send an email or an instant message. Perhaps you are so excited that you will call them on the phone or make a video call through the computer. The only delay to the person receiving the news is how quickly they read the message or accept the call. However, this wasn’t always the case. At one point, the electric telegraph was the very latest thing in sending a message. The electric telegraph revolutionized how quickly messages could be received.