To begin with, the basics:
Del.icio.us, Flickr, and Blogger. Three sites of similar purpose yet different content. Blogger is for uploading and sharing words, prose, and thoughts. Flicker is for exchanging and global viewing of each others images, videos and sights. Finally Delicious is for charing and showing where we have been and where we go on the internet, a world of its own, when seen in a certain light. You might say that Blogger, Flickr and Delicious are a portal for showing what we think, what we see, and what we are respectively.
Then Google, and its manny, many facets, from Gmail to iGoogle, Google docs and maps, books, music, videos, calendars, games, you name it. Another interesting medium which we didn't go into in class is GoogleWave, an interesting realtime message board style system free for all to use at the same time. It is new and will probably be changed in the future, but is none the less interesting in its execution, check it out.
Athene, and with it HTML, CSS, FTP to name a few of the (sometimes confusing IMHO) acronyms. This was not entirely new to me, but it was good to be refreshed with some HTML coding which I had long ago forgotten. CSS is clearly superior to HTML if you know how to use it, and finally learning about simple FTP processes was a blessing, as I have greatly enjoyed making my own website.
And this brings me to iWeb, which I greatly appreciate as one of the most easy to use, straight forward, simple HTML website building program, other than simply using Word.
With small touches on Tecnorati and other online systems, this subject has taught me much and I will no doubt put much of it to use in the future.