Overview: How do QR codes work? The checkerboard patterns taking over the world, demystified.
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First Air Date: Aug 15, 2010Last Air date: Sep 30, 2024Season: 15 SeasonEpisode: 45 EpisodeRuntime: 15 minutesQuality: HDIMDb: 8.50 / 10 by 4 usersPopularity: 5.153Language: English