A notification system, including a notification database and a notification application, receiving notification content from a sending device and provides the notification content for rendering on a target receiving device. The notification database may store, for each of a plurality of instances of notification content, the notification content in association with a target receiving device identifier and rendering instructions. The rendering instructions may comprise at least identification of a rendering time and a rendering location. The notification application i) receives, from the sending device, the notification content, the target receiving device identifier, and the rendering instructions; and writes such notification content, target receiving device identifier, and rendering instructions to the database.