What would you do is someone sat down next to you at Starbucks and started smoking crack?
One comedian wanted to see the public's reaction to watching someone light up a crack pipe, so he created a water-bottle "pipe" and started smoking "crack" along Market Street. As the video unfolds, he takes his pipe to Union Square and into a woman's clothing store -- he even lights up in front of some cops. To see the reactions (or lack there of) check out the video: