The objective of this study is to understand what is the potential of successfully implementing enterprise social networks in the workplace of Portuguese companies. This book aims to understand if employees and managers of Portuguese companies see the advantages of having access to enterprise social software, if they believe this technology fits their job requirements, and if they are likely to use and implement it in their companies. In order to answer the main questions of this work, an online survey is conducted within companies from different sectors. This survey was build based on the literature review around enterprise social technology and enterprise 2.0, as well as the theoretical model of Dishaw and Strong (1999). To provide insights, a statistical analysis was made to the survey results, including descriptive statistics, mean comparisons and multivariate linear regressions.