A Hong Kong protester with a petrol bomb. File photo: Dylan Hollingsworth/HKFP. Write your hashtags in the language of your target audience. Hui said the messages, which included urging the disruption of airport operations, were attempts to incite followers to make use of poisonous, corrosive or flammable substances to vandalize police vehicles, and also called on others to make weapons to harm police. Choose quality over quantity. Remember that one high-quality post is better than five short publications of questionable value. Hashtags
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