what is plug-in?

Hi, all:

I'm a new comer in this mailing list. I don't know if the questions below would
be approprite in this mailing list.
1. What is plug-in?
2. What can plug-in do in netscape?
3. If I want to do some development work with plug-in, where could I get enough

The answer could be given directly to my mail address.

Received on Thursday, 23 May 1996 04:11:19 UTC