Thousands of people are protesting against police brutality and to support the Black Lives Matters cause. If you are a part of the protests, you might post photos of the demonstration around you on social media or send them to your friends — and that’s not entirely safe, because it could help identify people there and put them in danger. While its important to share these moments, it’s also important to use tools that might stop authorities from snooping on people in those photos.

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