I had the same thought. There was a situation where business owners (and police!) were using a group messaging app to share photos of "suspicious" people in an

I had the same thought. There was a situation where business owners (and police!) were using a group messaging app to share photos of "suspicious" people in an upscale retail area. It of course became mostly a way to track black shoppers. https://www.washingtonpost.com/local/social-issues/the-secret-surveillance-of-suspicious-blacks-in-one-of-the-nations-poshest-neighborhoods/2015/10/13/2e47236c-6c4d-11e5-b31c-d80d62b53e28_story.html?postshare=7911444785571422 https://www.washingtonpost.com/local/social-issues/the-secre...