This document reviews research on how extending romantic relationships to social networking sites can negatively impact relationships. It discusses how surveillance, intimacy, jealousy, and relationship turbulence on SNS may influence relationship satisfaction and increase the risk of dissolution. Surveillance among partners is common on SNS as a way to reduce uncertainty, but can also increase jealousy. Partners strive to display intimacy online in ways that match each other, but inappropriate disclosures can damage intimacy. Jealousy is correlated with SNS use and is often triggered by partners' interactions with others. Relationship turbulence may result from Facebook intrusion, discrepancies in relationship status updates, and interactions between partners and rivals online. Overall, the research suggests active SNS use by romantic partners can introduce variables