Why do Shop Owners install Digital Signage?

@inproceedings{pub6810,
    author = {

Müller, Jörg
 and 

Wickenkamp, Lena
 and 

Kahl, Denise
},
    title = {Why do Shop Owners install Digital Signage?},
    booktitle = {Pervasive Advertising. Workshop on Pervasive Advertising (PerAd-3), 3rd Workshop on Pervasive Advertising, befindet sich Pervasive, May 17, Helsinki, Finland},
    year = {2010}
}