The Global Positioning System, abbreviated and more commonly known as GPS, is a tracking system that allows a GPS device on earth, called a receiver, to determine its precise location by measuring microwave signals from orbiting satellites. Since it uses extremely accurate clocks and makes this determination essentially instantaneously, it can use a series of […]
Satellite radio is a digital broadcast of traditional styles of radio programming available only by subscription. As the name implies, the radio signal is transmitted from communication satellites, instead of terrestrial radio towers.
In the US, the two providers are Sirius Satellite Radio and XM Satellite Radio. In order to receive satellite radio, you have to […]
Internet radio, also called web radio or net radio, is a service which allows you to listen to a radio station on your computer over the Internet. It is popular in office buildings, where each individual can tune in to their own preference of music or talk radio. The technology involved is called streaming. The […]
RSS is the abbreviation for Really Simple Syndication. The idea is that the process automatically captures new content from the Internet as soon as it is available on the websites you select. The content which is sent is called a feed, because it is being fed to you. It may consist of podcasts, blog entries, […]
A podcast is a digital audio or video broadcast on the Internet that plays on a computer or on any digital player. The word podcast comes from the name of the Apple iPod®. However, there is no special relationship between a digital broadcast and the iPod, so it could more properly be called a netcast, […]
A forum on the Internet is a part of a website that uses web software to allow users to write questions and answers and to create discussions of particular topics. Forums can be known by mix-and-match descriptive terms such as bulletin boards, message boards, and discussion groups. The topics are generally outlined by the website […]
The Blogosphere
The immediate nature of blogs, and the way that they are easily connected, has led to the concept known as the blogosphere. It is the term used to describe the collective writing among the Internet’s millions of blogs, especially when a significant number of them are discussing and dissecting a particular current event. It […]
The word blog is a contraction of the descriptive term, web log or weblog. A blog can take all sorts of forms, but at its core, it is a chronological online journal, generally written or compiled by one person or a small group, called a blogger. What made blogs grow so rapidly in recent years […]