Social software are today more prevalent in organizational context, providing new ways for work and giving web users new opportunities for interaction and collaboration. This review aims to gain insight into the extent of available scholarly and professional literature on these new tools and into interests in this field. The analysis of the 5356 collected articles includes type of publication, year of publication, source, keywords in articles' titles and abstracts. The study here adopted a systematic approach for the literature review, that is, the principle of Lexical Analysis.