Technology such as Real Audio and StreamWorks permits you to listen to live radio broadcasts over the Internet without the need to wait for the entire sound file to be downloaded.
VDOLive allows you to see live broadcasts over the web.
One of the fast emerging technology is the Virtual Reality Modeling Language (VRML) that enables browsers to view 3-D sites on the web. The competing Java technology developed by Sun microsystems allows browsers to run small programs called applets to perform functions like rotating a 3-D image.