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.
Emergency notifications can alert people in seconds. Find out how these powerful systems work and how your cell phone may just save your life.
By Dave Roos
Electronic notifications keep large organizations and individuals informed and in touch 24/7. Learn more about benefits and applications.
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.
By Tracy V. Wilson
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.
By Jennifer Hord
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.
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.
By Jeff Tyson & Alison Cooper
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