Dear friends like you know already from my previous post I will be teacher trainer in a Erasmus Plus Course conceived by me in partenership with Euneos : Curation Social Media Master Class in Semantic Web 3.0 http://educuration.wikispaces.com/Main+Page . I must told you that I discover more than 100 presentation tools, Power Point alternatives and I want to share all these apps you can use to emaze your audience .