“…Razmerita et al, (2009) (in Assegaff et al, 2016) proposes multiple technologies in social media that can be used in optimizing knowledge sharing, namely: personal webpages is a tool that can improve the organization and presentation of information and sharing, with the community. Personalized search tools provide the facility to search for and share information, Social bookmarking tool that allows community members to share bookmarks of interest among the members, personalized live discussion forum is a tool that can guide in analyzing, evaluating, displaying and sharing information among members komuintas, virtual world is a tool that encourages community members to share their knowledge, blogs and wikis are the tools and support for editing, viewing, organizing information or knowledge by individuals or collaborate with others [18].…”