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In learning more about these 'historic' print ads, I also stumbled upon a vintage video in the style of narrated black & white educational films. Though campy, the production quality is very good and the tips are apt for members of the Facebook Generation.
In case you just want to engage your students in critical thinking about authentic vintage footage, your learners might be interested in investigating a modern viral video. The story of a time-traveler who may have inadvertently used a mobile communication device in Charlie Chaplin's 1928 film: The Circus, is certainly being used for promotional purposes. (The conspiracy has even found inclusion in the Wikipedia entry.)
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Image credit: Print ads downloaded and 'hung' courtesy of download from Maximedia