Hot new research: Cheap beers equals more tagging

http://uptownalmanac.com/2012/03/dive-bars-increasingly-bummed-out-taggers

Wondering why your favorite dive-bar no longer serves daily cheapo
PBR? Can't find tecate in a can anymore? Mission bar owners are
reporting that they no longer serve hella cheap PBR or tecate since
that directly correlates with taggers tagging their bar.