Please use the following BibTeX data when citing this publication:

 author = {Irina Diaconita and Andreas Reinhardt and Delphine Christin and Christoph Rensing},
 booktitle = {Proceedings of the 11th International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services (MobiQuitous)},
 pages = {110--119},
 title = {{Bleep Bleep! Determining Smartphone Locations by Opportunistically Recording Notification Sounds}},
 year = {2014}

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