Pedagogy, Technology My son’s homework has a barcode that when scanned takes him to an instructional YouTube video posted by his teacher related to the lesson. : mildlyinteresting Posted on October 1, 2014 by ScottM in Pedagogy, Technology My son’s homework has a barcode that when scanned takes him to an instructional YouTube video posted by his teacher related to the lesson. : mildlyinteresting. Advertisements Share this:TwitterFacebookLinkedInGoogleLike this:Like Loading... Related