Helper applications; Java and its similarities to Netscape's; plug-in architecture; streaming audio, video, and animation; plug-ins and OLE objects; plug-ins and VBXs; plug-ins and OCXs; the Netscape plug-in architecture; real-time data streams and current bandwidth considerations; server plush and client pull; fetching URLs; plug-in design and implementation; real-time and bandwidth considerations; choosing your platform, 16 vs. 32 bit; installation considerations; Netscape's plug-in software dev. kit; debuggers; joining Netscape's developer's assistance program; Netscape's plug-in application programming interface; instance initialization and destroying; stream creation and destruction; reading from and writing to the server; Netscape's memory management; status methods; window notifications; printing; event handling for the Macintosh; live3D plug-in extensions; testing your plug-in. (Part contents).