amber alert netherlands exclusively distributes amber alerts and information about endangered missing children. the police only issues an amber alert when a child's life is in imminent danger (amber alert) or when the child is at immediate and significant risk of harm (endangered missing child). when an amber alert is issued (about 1-2 times a year), the entire system is deployed. the whole country then turns into one big missing children's poster. the system enables the police to immediately alert press and public nationwide, using any medium available – from electronic highway signs, to tv, radio, social media such as facebook and twitter, pop-up and screensavers on pc's, large advertising screens (digital signage), e-mail, sms text messages, smartphone apps, printable posters, rss newsfeeds and website banners and pop-ups.