Introduction
Everything happens on our smartphones. We see the people we know the more often on social networks than in person. We catch up with our friends and relatives through their profile pictures and comments, and we know these people better than our coworkers or our families, with whom we spend more time. Nowadays, this happens because what we do, what we say we do, or what we are interested in doing, is communicated through social networks rather than in person. We speak our minds much more on social media than in other "real life" scenarios. We are more critical...