Some important things for students to understand related to today's lesson (this is NOT a comprehensive list!)
Hypertext based, contextual writing
Proper ways to connect, network, and share information
Internet etiquette (called netiquette)
How to customize or "mash up" the internet using something called RSS readers (we'll cover this in a later lesson) like igoogle, Google Reader, Netvibes, or Pageflakes.
How to successfully share and publish multimedia and text in various forms on the Internet