E-mail & Messaging

For most people, a day without e-mail is unthinkable. From instant messaging to e-mail and other notifications, HowStuffWorks explains the devices and technologies that keep you in the loop.

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How Automated Reminders Work

Automated reminders keep you on top of your to-do list. Find out how e-mail, text and phone notifications can save you time and money.

How Emergency Notifications Work

Emergency notifications can alert people in seconds. Find out how these powerful systems work and how your cell phone may just save your life.

How Electronic Notifications Work

Electronic notifications keep large organizations and individuals informed and in touch 24/7. Learn more about benefits and applications.

How Broadcast Messaging Works

Broadcast messaging delivers information to lots of recipients at once. Learn about broadcast messaging service providers, different kinds of broadcast messages and do-not-call lists.

How SMS Works

SMS is a common method of sending short messages between cell phones. Find out how SMS works and learn about the advantages of text messaging.

How does the e-mail notification in my Web browser work?

Getting your emails in a prompt fashion can help with efficiency in the workplace. Learn how to get email notifications sent to your web browser in this article.

How Instant Messaging Works

Every day, billions of e-mail messages are sent. But sometimes even e-mail isn't fast enough. Learn about instant messaging and check out what you can do with real-time computer communication.