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"To say I'm pretty jazzed about the possibilities of my classroom learning by connecting with other classrooms and people would be a bit of an understatement. My class regularly learns from and with students and others from across North America and in fact from around the world using social media tools such as Skype, Twitter and blogging."

"No matter what you call it - chroma key, green screen or blue screen - it's the film and video technique that gives your local TV weatherperson something in common with the Avengers movies: artificial backgrounds inserted behind the action. You simply record your subject in front of a solid green or blue screen, and then add a touch of software magic to change the background. Dozens of free or inexpensive apps allow you to use the technique on your own clips. It's a great way to jazz up your presentations and other videos - or to keep children busy with a weekend project filming their own toys in action scenes. Here's how to get started."