. ♪ >> for shoshana roberts, getting cat called is nothing new. >> i smile at someone, and they thinko. >> shoshana says it happens to her and so many other women all the time. >> people are undressing me with their eyes, they're turning around to stare at my ass. >> so, film producer rob bliss came up with this idea. >> give people an ability to see what does street harassment even look like. >> he and shoshana set out to show it in this hidden video. >> hey, beautiful! >> ten hours walking the streets of new york city. they cruise tribeca to harlem, just to see how many times she gets harassed. >> sexy. >> how did that feel? >> i felt like crying, but i had on my mind the message that i wanted to get across. i wanted to propel the conversation, and i did that. >> reporter: ten hours and more than 14ur00 cat calls later. >> look at that. >> the video goes viral. the conversation is controversial. >> there's critics that will say that's not harassment. i'm just saying hi. i'm just saying how you doing? what do you say to them? >> these people are singling me out. they're not saying he

. >> and shoshana even gets death threats. >> people said everything from wanting to slit my throat to jewish. >> the guy that followed you silently for five minutes how did that make you feel? >> i was scared [ bleep ]. i felt the need to scream. i just kept reminding myself i'm doing this for a purpose. i want to get my message out. >> they got their message out all right. more than 40 million views. >> once he was released it was like you could see the tsunami in the distance like whoa, i think we have something here, something's happening. >> what's your message to men who think that's okay? >> whether you are on the streets or at work, just interact with respect. speak with respect. observe with respect. >> i'm sure by now you've either heard of or done the ice bucket challenge. friends. celebrities. even irish nuns go viral. but exactly why it went viral, you have to first understand the man who helped inspire the challenge. >> for those of you who don't know me my name is pete, i'm 27 and i was recently diagnosed with a.l.s. >> so i walk into the room to see him for the first ti