Internet Technology

We look to the Internet for news, socializing, shopping, research and more. From HTML code to instant messaging, we'll break down what's really going on whenever you log on, send an e-mail, visit a popular Web site or post to a blog.

Topics to Explore

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How Wikis Work

The basic idea behind any wiki is very simple: It's a collection of articles that multiple users can add to and edit freely on-line. Learn all about wikis and the communities that keep them alive.

How Podcasting Works

Now almost anyone can be a disc jockey, talk show host or recording artist. Find out what tools you need to record and receive podcasts and see what industry analysts have to say about the future of podcasting.

How Firefox Works

In June 2008, the Mozilla Foundation released the third version of its popular Firefox Web browsing software. Why has it been eating away at Internet Explorer's market share?

How WiMAX Works

WiMAX has hit technology news in a big way. This networking system can blanket a 30-mile radius with broadband access, compared to WiFi's 300-foot range.

How RSS Works

Short for Really Simple Syndication, RSS is a way to subscribe to a source of information, such as a Web site, and get brief updates delivered to you. So what should you subscribe to, and what happens next?

How Broadband Over Powerlines Works

Imagine plugging your computer into any electrical outlet in your home and having high-speed Internet access instantly. Power line broadband is offered in a few U.S. cities, but there are groups and government agencies fighting to block further development. What's the controversy about?

How High-speed Dial-up Works

Under the impression that dial-up modems are out of style? Actually, tons of folks still use dial-up Internet access. Find out how high-speed dial-up makes the most of the original connection method.

How Spam Works

You block it, you filter it, you unsubscribe from lists you actually want to be on, and still it lands in your inbox. If you have an e-mail account, chances are you also have spam. Learn where spam comes from, who's doing the spamming and how to stop it.

How Blogs Work

Blogs serve as online journals and communities, often linking to news stories and other sites. Learn the basics of blogging, explore the blogosphere and find out how to create your own.

How Web Advertising Works

Most of us encounter Internet-based ads on a daily basis, and some of us have the misfortune of being utterly bombarded. Does anyone actually click on those things? Find out all about the world of Web advertising.

How Penny Per Page Might Work

The World Wide Web is known for its nearly unprecedented "free content." But can it stay that way? Learn how the penny-per-page revenue model might work.

Which is better to use for a cable modem -- a USB connection or an Ethernet card?

There are too many variables to make a generalization about whether Ethernet or USB is the better way to connect your home computer. Read this article to learn how to pick the right one for your system.

How VDSL Works

If you've been holding your breath for the next best thing in Internet connections, get ready to exhale. VDSL has five times the speed of regular broadband.

How WiFi Works

Wireless networks are easy to set up and inexpensive. They're also increasingly common, and have even become a value-add for many businesses. Whether you're at home or out and about, odds are you can connect to the Web via WiFi.

How the Airborne Internet Will Work

Imagine using a high-speed wireless Internet connection originating from an aircraft flying over your city. Learn about the airborne Internet and how you might use this technology in the near future.

How Newsgroups Work

Social networking and e-commerce may be all the rage, but many internet pioneers originally used the Internet for sharing ideas among large groups of people. Newsgroups were fundamental to early internet communication, and they're still good sources of information today.

How Internet Infrastructure Works

Do you ever wonder how the Internet really works? How do Web pages, e-mail and music move to and from your computer? Learn all about the amazing global network we call the World Wide Web.

How does satellite Internet operate?

How do you access the Internet other than dial-up if you live too far from a phone company office for DSL and there is no cable TV on your street? Satellite Internet access may be worth considering.

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.

Why the Difference in Speed With My Cable Modem?

One minute you're zipping along, the next, you can't get a page to load. What's the deal? Cable modems are part of a loop that begins at the cable company's central office, goes through a certain geographic area and returns to the central office.

Why the difference in speed with my cable modem?

It can be truly frustrating -- one minute you're zipping along just fine, the next, you can't get one page to load. What's causing the backup? Cable modems are part of a loop that begins at the cable company's central office, goes through a certain neighborhood or area, and comes back to the central office.

How Fiber Optics Work

Fiber-optic lines have revolutionized long-distance phone calls, cable TV and the Internet. It's a really cool technology that enables the long-distance transmission of data in light signals, and is probably used in more ways than you think.

What is an IP address?

Your IP address is one of 4.3 billion unique numbers that identifies your computer on the Internet. Learn the different IP classes and discover how your computer gets its own address.

How Internet Odors Will Work

Odor-producing peripherals will bring smell to the Internet, and are just around the corner. Find out how they will work!

The Ultimate Social Network Is … the White House?

Think you struggle to keep up with your Twitter feed? From live video on Facebook and YouTube shows to snaps and Instagram posts, the White House is all over social.


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