The document summarizes the top 10 things the author learned in their "i3cs21" class. Some of the key things included:
1) A wiki is a collaborative space for content, not a character from Wicked.
2) A blog is an interactive bulletin board organized by topics, not marshland.
3) Becoming a digital nation offers opportunities but requires responsibility.
4) Teachers can use many Web 2.0 tools to enhance student learning.
5) Google Reader and YouTube were highlighted as useful tools.
6) Facebook is for social networking and sharing, while Twitter enables microblogging.
7) Thinking digitally and having social consciousness were important lessons.