Tecnologías de la Información y Modelos Alternativos, Universidad Pedagógica Nacional, Mexico, Ajusco, México, via Skype, Seminar, Dec 10, 2013.

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In this presentation to  I outline major forms of open online learning, contrasting between formal and informal learning mechanisms, publishing and community-based production models, and forms of recognition and certification. English, with translation into Spanish. The audio quality is quite good, just skip past the first 2 minutes of Skype misbehaving.