Category

Subcategories (represents different subcategory)

Referral

Refers to URL; picture; or video

Event logistics sharing

Provides the date; location; time of the event; or other logistical information

General information sharing

Sharing information about event consequences/impact; eye witness accounts; police/military activity; and other general information

Opinion sharing

Presents positive/affirming opinion about the event; negative/critical opinion about the event; neutral opinion about the event; positive/affirming opinion about participants; negative/critical opinion about participants; or neutral opinion about participants

Public outreach

Request for attention; supplies; help; information; or other outreach

Linguistic features

Overt joke/sarcasm/irony²³; swearing/cursing; slang; or other linguistic feature