Last week I teached at the summer courses within the University of Oviedo with my colleagues of the WESO Research Group. My talk was about HTML5 Audio& Video and HTML Applications. It was very interesting because I could reload my expertise and knowledge in this technology. Although HTML5 purposes a lot of new interesting things the browser support is still a little bit poor and most of examples that worked in my laptop, did not work during the lecture and I tried Ipad2, HTC Desire HD and others but the behaviour changed depending on the brower, SO, etc. Anyway I leave my slides (Spanish) here: