As a reminder, be sure to properly give content warnings and put sensitive subjects behind proper spoiler tags. It's for the mental health of not just your comrades, but yourself as well.
Here is a screenshot of where to find the spoiler button.
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shooting into a mirror flips the image (assuming youre using rear camera) which makes it more appealing to you, as that is what you see. on the flipside others don't see you that way. the zoom in makes you hold the phone further away so it helps to eliminate the fisheye effect