In 1998, the Child Alert Foundation created the first fully automated Alert Notification System (ANS) to notify surrounding communities when a child was reported missing or abducted.
1998年，兒童警報基金會（Child Alert Foundation（英语：Child Alert Foundation））建立了第一個全自動化的警報通知系統（Alert Notification System （ANS）），當有兒童失蹤或被綁架時，周圍所有的社區皆可收到通知。