This is a very powerful video ... the discussion that arises from this is incredible - subtle, but very effective. A picture can be worth a thousand words. Watch the video and you'll see why it is such a good piece of art and literacy.
Just a few things to keep you reading, thinking, "mucking around", and while you're doing that you will have fun. For creative and innovative ideas, collaborative opportunities, communicating what's good, and critically assessing teaching and learning in the 21st century, start here and go to hundreds of other links. These are posts from REAL teachers and REAL TEACHER CANDIDATES - They have an interest in being awesome educators, sharing practical Tech Tools and apps/websites with you. Enjoy!