Why do people hate spyware?

Lee A. Freeman, Andrew Urbaczewski. Why do people hate spyware?. Communications of the ACM, 48(8):50-53, 2005. [doi]

@article{FreemanU05,
  title = {Why do people hate spyware?},
  author = {Lee A. Freeman and Andrew Urbaczewski},
  year = {2005},
  doi = {10.1145/1076211.1076239},
  url = {http://doi.acm.org/10.1145/1076211.1076239},
  researchr = {https://researchr.org/publication/FreemanU05},
  cites = {0},
  citedby = {0},
  journal = {Communications of the ACM},
  volume = {48},
  number = {8},
  pages = {50-53},
}