The Internet is a worldwide network of computers. It contains a wealth of information published by governments, organizations, educational institutions, commercial enterprises, and private individuals. It includes text, sound, video, and images. Since there are no standards for quality, users must evaluate all information carefully to make sure it is reliable. Generally speaking, you can find reliable information in Web sites published by:
Note: Some .org sites are not professional in nature. Be sure to evaluate them carefully.
Although the Internet provides a vast amount of information, it does not include everything. Books, periodicals, databases, and other publications that are commercially available are not usually available for free on the Internet. Thus, some of the most reliable information in existence must still be obtained from print sources or electronic sources available by subscription only.