StallTalk: graffiti, toilets, and anonymous location based micro blogging

Authors:
Jonathan Friedman;Michael S. Horn
Affiliations:
Northwestern Univeristy, Evanston, USA;Northwestern University, Chicago, USA
Venue:
CHI '13 Extended Abstracts on Human Factors in Computing Systems
Year:
2013

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Abstract

The ways in which we leave graffiti have not changed much in thousands of years. Humans have felt the need to anonymously leave messages to one another for centuries. In this paper, we introduce StallTalk (www.stalltalk.info), an anonymous location-based micro blogging website that uses QR codes posted in bathroom stalls. StallTalk allows users to leave digital graffiti on bathroom walls without actually causing permanent damage. Users scan the QR codes, which are unique to each stall, and write short messages to each other. We deployed StallTalk in over 500 locations and have had almost 9,000 unique visitors to our website.