I have just discovered this tool, I think it can be very useful for teachers. It is an online tool for collaborative whiteboards. It allows: -Conduct brainstorming realtime collaboratively. -Merge multiple screens, turning the board into a standard presentation "Prezi" -Working with images stored in Google Drive - Upload images - Draw - Write - Put sticky notes - Framing or placing figures - Linking ideas and view it as a slideshow. - Chat with collaborators - Etc