Table 2 Categories of social media user (user groups).

From: Twitter data from the 2019–20 Australian bushfires reveals participatory and temporal variations in social media use for disaster recovery

Category of user

Description

Emergency agency

Government agencies responsible for helping communities to prepare for, prevent, mitigate the effects of, respond to, or recover from disasters

NGO/humanitarian

Non-profit organisations that aid vulnerable people and provide humanitarian assistance in times of armed conflict, famines, and natural disasters

News media

Encompasses journalists, reporters, news agents, and other media organisations involved in disseminating news and information to the public

Politician & political organisation

Includes politicians, elected public officials, political parties, special interest advocacy groups, and other formally organised associations aimed at achieving political agendas or influencing policy decisions

Business

Entities involved in trading or other commercial activities, including small private businesses and large corporations

Scientist & expert

Individuals with extensive training, expert knowledge, and insights to support decision making relating to the bushfires. Includes professors and distinguished academics, economists, medical experts, clinical psychologists, agricultural scientists, environmental consultants, structural engineers, meteorologists, etc

Celebrity

Famous individuals, especially in the entertainment industry, who attract public attention and have large numbers of social media followers

Community organisation

Community-based organisations established to provide services that build capacity, strengthen social connections, and improve the overall functioning of communities

Other government agency

Other government-owned organisations that provide public services that are not related to emergency management

Citizen

Ordinary members of the public who do not fall into any of the above categories