some post:

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PLEASE REBLOG THIS WARNING

<important warning about epilepsy>
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Why didn't you use a CW? why are you shouting?

Why didn't you do this:

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Important warning about the new Venom movie for people with epilepsy [show more]

<important warning>

(please boost!)"
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instead of freaking people about by yelling, you're letting them choose to engage. Additionally, you're putting more information in the cw, so people see what you're talking about immediately.