Awesome Screenshot takes the normal screenshot function and cranks it up 10 notches! Awesome Screenshot allows you to take a screenshot and mark it up in a variety of ways to help students understand what they should be doing, or allow for a student to communicate to you what they found on a website.
One of the best features of Awesome Screenshot is that it integrates with Google Drive! This means that you can save all your screenshots to Google Drive to easily share with students, or students to easily share with you using their Google Apps account.
This blog contains information on Google Apps, Chrome, Chromebooks, and anything else Google related!