Believe it or not, a Post-It note WAR has started in NYC. 

Canal Street in New York City, home to some of the city’s best advertising agencies, has literally been taken over by post-it notes. 

Agencies on the street have staged an elaborate Post-it war on their company windows, hoping to “out Post-it” their competitors. 

It all started after one agency post-it(ed) the word ‘Hi’. 

Shortly after, all hell broke loose and an office supply war was started. 

Yay for Post-it note suppliers, makers and buyers in NYC! 

Using the hashtag #postitwar and #canalnotes, Havas Worldwide, Horizon Media, Cake Group, Biolumina, Getty and Harrison and Star have created some striking works of Post-It art. 

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