Printed books from wiki content? This website allows you to custom combined a variety of wiki articles from wikipedia or your favorite wiki. This would be an option if your students create a wiki and you'd like to convert it to a book easily. I'm also wondering if you could print it to a PDF as well. (Or you could do it yourself, but this is more of a professional book.
Free lesson plans that you can filter by age and how many class periods that you have teach as well as the topics. This is by Microsoft so it is using Microsoft projects. This is perfect for those of you who want cool lessons but are restricted from using a lot of the web 2 tools.
This person uses Google forms to collect sensitive student application data and didn't realize when she checked "share responses" that it would mean that the students could see what the other student's said. If you are a teacher using Google forms in the classroom, realize that you never check the box that says share answers when creating the form. What you do is share the spreadsheet behind the form to those who want to see the data.
If you're going to use Google Docs, make sure you train your staff or this could be you. Also teach your students who are using forms as well.