Power of Earned Advertising on Social Network Services: A Case Study of Friend Tagging on Facebook

Social network services (SNSs) are now the primary advertisingmedium in terms of both reach and engagement.For both businesses and the SNS providers, it iscrucial to find advertising methods that users perceiveto be valuable. In this paper, we provide an empiricalevidence for the role of different advertising methodson SNSs (i.e. earned v...More