How effective is targeted advertising?

@inproceedings{farahat-2012-effective, author = {Ayman Farahat and Michael C. Bailey}, editor = {Alain Mille and Fabien Gandon and Jacques Misselis and Michael Rabinovich and Steffen Staab}, title = {{How effective is targeted advertising?}}, booktitle = {{Proceedings of the 21st World Wide Web Conference 2012, WWW 2012, Lyon, France, April 16-20, 2012}}, pages = {111--120}, publisher = {ACM}, year = {2012}, url = {https://doi.org/10.1145/2187836.2187852}, doi = {https://doi.org/10.1145/2187836.2187852} }