corto y poderoso Silvana Roiter17/08/2009 Look ahead! Have you ever tried driving a car looking only through the rear-view mirror? Doubtful if you have any sense...
autoconciencia Silvana Roiter29/01/2009 Failure – the new success? Thomas Edison's 10,000 failed attempts before inventing the light-bulb has been overused for good reason. In this video, the...