joyce dave $15 if i walk a couple of blocks over? but when i talk to people but the sec rollbacks have been day couple of months ago to allow those isp for taking that traffic so a lot of that to say how can you limit that ability because google has 2025% of the data facebook has about 20% comcast's is 100 percent so obfuscation for meet is to figure out new protocols so that your computer isn't losing battery. it is ignorant not to go down that ravitch told but also to make you aware of what is happening. >> a so i am wondering can you talk about in the context of the power or the algorithms have a positive outcome?. >> there is one that we just missed that they tried to use how to make a text from the image so with google images like searching for donald trump. . . people were not going to the doctor they were searching their symptoms like i can't sleep or mike will. there is a slide that shows more or less these terms that create what seemed to be good indicators of selectivity so internationally they were able to figure out what

joyce. last night we were getting ready for our news and reporter dave kinchen saw a guy walk up and do this>> reporter: thankfully our station grabbed our cameras and reached out to police. we saw the barricades the yellow police tape and police presence to keep people away. the statue wrapped up in a towel to cover this. last night our cameras were rolling at about 10:50 when a man got out of a toyota camera station wagon and wrote "black power" he then left a message on the steps as well suggesting the black community should take control of police operations as we rolled on the video someone from our station called police and officers responded immediately. as the news spread, people started showing up here upset, including a woman who brought a towel to cover the graffiti until it could be cleaned up. this woman has ties to the rizzo family. she says she witnessed a lot of good under his watch and she says this should not define the people of philadelphia. >> it doesn't matter, race, black, white, whatever race you are, it doesn't matter. we all have to pull together and make our nation