-Citizen: The fastest way to reach each other-Unfortunately, natural disasters, which are frequently experienced in our country, continue to affect our lives. In emergencies such as earthquakes, people have to organize quickly and effectively to share information about emergencies with each other.Diffancy Software and Technology Inc. The Citizen application developed by the company as a social responsibility project; allows users to see the announcements shared by other users near their current location. Thus, by sharing location-based announcements, users can make it easy for other users to reach them when they need help.