Video: Two NYC buildings are in a Post-It note war

Posted at 10:51 AM, May 19, 2016
and last updated 2016-05-19 10:51:27-04

NEW YORK -- When Katy McCarthy and Derrick Edwin noticed a subtle message posted on a window at the building across from where they work in NYC, they decided to engage and it has sparked an all-out Post-It note "war," WPIX reports.