%0 Journal Article %T Social Networking Sites’ Terms of Use Addressing Imbalances in the User-Provider Relationship through Ex Ante and Ex Post Mechanisms %A Wauters, Ellen %A Lievens, Eva %A Valcke, Peggy %J JIPITEC %D 2014 %V 5 %N 2 %@ 2190-3387 %F wauters2014 %L 340 %U http://nbn-resolving.de/urn:nbn:de:0009-29-40012 %P 139-151