At the fair CES 2015 in Las Vegas, the leaders of the known Taiwanese company has officially unveiled the new model of the Acer Aspire R13, ultrabook convertible tablet PC in a few simple steps. The internal hardware has been completely renovated, so that we can offer users of high performance and a longer battery life than the average.  Acer Aspire R13 had already been presented by the top of the famous Taiwanese last September, at the IFA show in Berlin in 2014, but now the event CES 2015 in Las Vegas was announced a new model, with several interesting innovations.  The model 2015 of