clear, definedl, policy that can be applied in every situation. it does seem like twitter is taking action of a sort they have not taken in the past. i'm sure there is no way you can find the symmetry on facebook. a 1.3 billion users on a service, no many -- and no matter how many out of the rhythms you have, you cannot stop everything the minute it happens. --courtney hadar aviram courtney hadar aviram, hadar aviram, david kirkpatrick. put in the controversy in ferguson had been prevented if more police were using technology? we will explore on the best of "bloomberg west." ♪ >> welcome back. i am emily chang. the city of ferguson, missouri may equip their officers with s.sts -- vest camera if a the officer who shot michael brown was wearing a camera, would it have prevented the shooting? doug ifd by asking ferguson police had access to these cameras and why they did not use them. and iis my understanding have not been able to independently confirm that ferguson pd may have been testing some cameras. in thebundantly clear last couple of weeks tha