Early 70s and 80s experiments in voice across the Internet never came to full fruition simply due to lack of bandwidth. Multimedia file and mail transfer did come about, however, and the MIME content types permit easy use in WWW. Recently, however, researchers have been running audio and video interactively across the world much more successfully due to increases in bandwidth. This has led to the development of interesting tools for Computer Supported Collaborative Work (and play!). There have been some early attempts to integrate these in WWW, albeit only with partial success. There are three main areas one can look at:
Figure 10.1: Video Conferencing on the Internet