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.

Tech Talk: E-mail Quiz

Whether you keep it short and sweet or you're a spam champion, you've no doubt used e-mail. But how much do you really know about it? Take our quiz to find out!

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    Can e-mails be taxed?

    How many e-mails do you send and receive on any given day? Could you imagine if you were taxed for all that digital communication? See more »

  • How AOL Instant Messenger Works

    How AOL Instant Messenger Works

    AIM, or AOL Instant Messenger, is the most popular instant messaging service available on the web. Learn about AOL Instant Messenger and its features. See more »

  • How Automated Reminders Work

    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. See more »

  • How BlackBerry Messenger Works

    How BlackBerry Messenger Works

    BlackBerry Messenger is both entertaining and functional for BlackBerry users. Learn how it works. See more »

  • How Broadcast Messaging Works

    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. See more »

  • How Campus Alerts Work

    How Campus Alerts Work

    Campus alerts are notifications used to warn students and professors of emergencies. Learn about campus alerts in this article. See more »

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

    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. See more »

  • How E-mail Works

    How E-mail Works

    E-mail gives us the ability to contact any person in the world in a matter of seconds. Find out how e-mail works and how e-mail servers deliver messages. See more »

  • How Electronic Notifications Work

    How Electronic Notifications Work

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

  • How Emergency Notifications Work

    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. See more »

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