bloomberg's naomi nix and srah frier. thank you. another shakeup at twitter.a move to better integrate the platform's design and video offerings. the former periscope ceo will become the sixth head of product since 2014. possibly a sign there will be greater emphasis on video. mike montano has been promoted to oversee all of engineering. coming up ai versus civil liberties. is new technology infringing on your rights yet that we will ask the aclu next. a quick programming note. remember to turn into the boston pops fireworks special on this fourth of july. you can watch right here on bloomberg television, listen on bloomberg radio, or catch anywhere on bloomberg.com. ♪ emily: we are continuing our look at the biases in artificial intelligence and the pitfalls. recognition is not only gaining notoriety. it is being used by law enforcement to track civilians. maryland authorities say that they use facial recognition software to identify the gunman that killed five people at an annapolis newspaper. the aclu calls amazon's recognition software that it claims can f