I have already seen this tool used in the classroom! Students skyped the teacher's friend from Japan to see the difference in day and night. What a great way to expose students to other cultures. New way to do pen pals or for students to meet their pen pals!
this site lets you read books online for free, you just have to join. Would be great for reading to class and allowing them to read along with you if you project on the screen
I didn't log in and try to use this tool, but it looks like a neat way to collaborate with others on online/multimedia projects. Could be useful in the classroom??