It's a special holiday edition of Spark, filled to the brim with some of our favourite treats from the past season! On this episode: teen texting tales, email sabbaticals and the hype around augmented reality.To listen, download the MP3 (runs 54:00).

• Al Rae tries to text like a teenager
• danah boyd takes an email sabbatical (full interview)
• Cathi Bond explains two trends in augmented reality:  games and advertising
• Augmented reality enthusiast and science fiction author Bruce Sterling contemplates the future implications of AR
• Nora and Jesse Wente try out the WiFi t-shirt (video)
• New York Magazine film critic David Edelstein explains how review aggregators like Rotten Tomatoes and Metacritic are affecting film criticism (full interview)
• Ethan Zuckerman tells us how to get off the web's beaten path (full interview)

This episode features Creative Commons music and sound effects:

• "eighteen pieces (soda)" by soda
• "Wadidyusay?" by Zap Mama
• "Klezmer Nova" by The Alexandria Kleztet
• Clips from "The Age of Turmoil"
• "You Are on the Internet" by Chocobear McPanda
• "Gestalt" by echoed
• "ditto ditto" by DoKashiteru
• "Another Girl" by duckett
• "Freedom in Blue" by Herewave
• Clips from "Our Shrinking World"
• Clips from "Facing Reality"
• "Catscratch" by Windom Earle
• Music from Backtime by Lee Rosevere
• "Naughty Hula Eyes" by Andy Iona
• "Second Thoughts" by General Fuzz

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• Free weekly podcast (Subscribe in iTunes)
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For more information (and instructions) visit cbc.ca/podcasting