Videonot.es - The easiest way to take notes synchronized with videos!
Are you using YouTube videos in your classroom. (Hopefully you have your Classroom Channel setup with play lists on your classes, subjects, etc.... )This tool is a nice tool for students that allows them to takes notes on your YouTube videos. Those notes are synced to your Google Drive, and linked to the timeline in the Video, so when you click on each note, it takes you to the location in the video when you created that note!
Visit their website, and load the Chrome App. http://www.videonot.es/
Here is a short 3 minute youTube video Tutorial on using Videonot.es: http://www.youtube.com/watch?v=Tgyjo3vQfyI