A separate Address Book module serves both the e-mail and news clients. Binary file transfer via e-mail or news is completely transparent and, in many cases, such files can be automatically interpreted by the browser and presented to the user. This means the user can see images, hear sounds, and view movies without having to worry about how to decode the information. However, users should be careful to retain control over what programs execute on their desktop. In general, it is a good idea to not accept unsolicited binary files in e-mail, and to exercise caution before accepting binaries or automatically allowing mail viewers or Web browsers to launch uncom mon applications.
Frames are panels within the main browser window.
They can function independently of each other and may be fixed or scroll ing. It is also possible to link the content of one frame to hypertext contained in another. In fact, many Web pages using frames appear messy, ugly, and confusing. Although the frames Netscape uses in its e-mail and news clients are fairly well designed, they demonstrate how cluttered frames can become unless one has a very large monitor. Security Security continues to be an issue on the Web.