Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: parent exact "Frontiers in Service Conference 2016" Add to list Conference Paper C3 Circumventing the hidden cost of free services: lessons learnt from social media resisters Katrien Verleye (UGent) , Simon Quaschning (UGent) and Arne De Keyser (2016) Frontiers in Service Conference 2016.