Abstract: An armrest structure and an aircraft Seat assembly thereof are disclosed. The armrest structure includes an armrest body and two support plates. The armrest body is disposed between two aircraft seats. The shape of the support plates correspond to the armrest body and the support plates are disposed at two sides of the armrest body respectively. Each of the support plates has a first position and a second position. The support plates combine with the armrest body to form an armrest when the support plates are at the first position. The support plates and the armrest body are vertical to each other so that a hand of the passenger can rest on the support plates when the support plates are in the second position.

Abstract: Provided are a product ordering system and a product ordering method thereof. The system includes a display device, a selection unit and a cloud server. The display device includes a display screen, a capture unit and a first transmission unit. The display screen displays multimedia information content, wherein a part of the multimedia information content is captured by the capture unit and transmitted by the first transmission unit. The cloud server includes a database, a second transmission unit and a processor. The captured part being transmitted to the second transmission unit by the first transmission unit, and the processor matches the captured part obtained from the second transmission unit with multimedia features stored in the database, and then controls the second transmission unit to transmit advertising multimedia information content corresponding to the multimedia feature that corresponds to the part of the multimedia information content to the display device.