until police alerted them to it. they were able to block 1.2 million of the 1.5 million attempted to upload the video in the first 24 hours before they even published. that is the good news. but of course do the math there. facebook won't say how many times this 300,000 videos that were uploaded managed to make it on. but when you think about the numbers, 1.5 million attempts, what does that say not only about the social networks, but about us humans trying to upload and view this content. >> yeah, there are a lot of he reques questions there. how did hundreds of thousands get past facebook filters to begin with? >> facebook uses something called hashing. once they have identified the video, they put a hash in it so if it gets up loaded again, it will stop before it gets publ h publish published. but if people change the color, maybe the speed, if the news outlet puts it up with their logo on it, that can confuse the algorithms and then it can get