Networking and Online Privacy: Facebook Users' Perceptions The study examines Facebook users' perceptions of online privacy and trust over time. A focus group and survey were conducted. The survey found that while users want to control their privacy settings, they see Facebook as mainly a social utility. It is recommended that Facebook provide more privacy options and earn back user trust. Discovering interest groups for marketing in virtual communities: An integrated approach The study presents an approach using social network analysis and web mining to identify key members and interest groups in virtual communities for marketing. By analyzing interactions and discussion topics, interest groups and opinion leaders can be identified to more effectively promote products through word-of-mouth, improving click-through rates