Contains the keyword service,

Good N, Dhamija R, Grossklags J, Thaw D, Aronowitz S, Mulligan D, et al. Stopping spyware at the gate: a user study of privacy, notice and spyware. In: 2005 Symposium on Usable Privacy and Security. Pittsburgh, PA: Association for Computing Machinery; 2005. p. 43-52.