That’s a good question, and you can use the Internet Archive to answer it!
Plone is an open source Content Management System (CMS) that you can use to create and run a web site. Among other things, it’s got a nice, graphical interface so that people adding content to the site don’t have to know html or have any other technical skills to contribute.
If you’re interested in learning more about it, just do a search for videos about Plone on archive.org and you’ll find about 30 instructional movies to help you get started creating your own Plone web site.
Here are a few good ones to get you started:
- Introducing Plone
- Top 20 Plone Pitfalls — And HowTo Avoid Them
- Getting Your Feet Wet with Plone
- Multimedia and Podcasting With Plone
If you’re interested in learning about other computer-oriented topics, check out the ArsDigita and Structure and Interpretation of Computer Programs courses, which contain computer science lectures from MIT professors.