In New York office employees from two buildings across the street engaged in an epic post-it war. But the ending of this war was even more epic. Check it out.

Everything started with an innocent “HI” on the 6th floor at 75 Varick Street in NYC
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Soon, “Sup” appeared on a building from across the street at 200 Hudson
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As both buildings had a lot of media and marketing agencies, it eventually turned into WAR
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The windows started filling up with funny pictures and messages
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Somebody made a Snapchat icon
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Others took a more random approach
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Even the Angry Birds got involved!
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Post-it manufacturer 3M also joined the war by providing free ammunition (i.e Post-it notes!)
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As the war got more creative, it seemed that nobody would win
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Not even Spiderman could stop it!
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With no other option, Havas Worldwide brought the war to an end with this epic mic drop
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Workers stayed late with beer and pizza to create the spectacular finale, and fellas from Spectacle Studio later posted this video
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However, the war had to stop when the managers of two buildings ordered their employees to clear the windows from post-its by this weekend.