 to a pre-prepared contact list, such as list of colleagues, parents at a school, or an embassy's list of citizens in a country at that time, via text, email, mobile app, and Slack.The recipients respond with a "yes" or "no" allowing the organization responsible for them to quickly triage who is in danger.Ushahidi (Swahili for "testimony" or "witness") is a website created in the aftermath of Kenya's disputed 2007 presidential election (see 2007–2008 Kenyan crisis) that collected eyewitness reports of violence sent in by email and text-message and placed them on a Google map.