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Collection of thousands of TV commercials from the 1950s through the 1980s. Most or all of these are still copyrighted, but educators doing projects should fall under fair use.
According to a meta-analysis by the US Department of Education, face-to-face courses are less effective than online and blended learning. They caution against viewing this as simply a matter of the medium though. It's the changes in what online and blended learning allow (like opportunities for collaboration) that are likely making the difference.
Direct link to PDF: http://www2.ed.gov/rschstat/eval/tech/evidence-based-practices/finalreport.pdf
Presentation on now technology changes what it means to be literate.
"'Literacy' as in the 'new literacy' is a metaphor for essential abilities required today to shape and communicate meanings, develop oneself, and participate in society."