A Hong Kong protester with a petrol bomb. File photo: Dylan Hollingsworth/HKFP. 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. Hashtags Write your hashtags in the language of your target audience. Developing social channels based on exchanging a single message isn’t exactly new, of course. Back in 2014, the “Yo” app was launched with the sole purpose of enabling users to send each other the greeting “Yo.”
from us
