@incollection {Preibusch-Bonneau__privacy-landscape,
   author = {Preibusch, S{\"o}ren and Bonneau, Joseph},
   affiliation = {Computer Laboratory, University of Cambridge},
   title = {The privacy landscape: product differentiation on data collection},
   booktitle = {The Tenth Workshop on the Economics of Information Security (WEIS)},
   year = {2011},
}