Abstract: A slide rail assembly adapted to dispose to a first casing is provided. The slide rail assembly includes an outer slide rail, an inner slide rail, and first and second engaging components. The outer slide rail includes a first hook. The inner slide rail is slidably disposed to the outer slide rail and includes first and second ends and positioning slots. First fixing portions of the first casing is engaged with several of the positioning slots. The first engaging component is partially overlapped with a critical positioning slot of the positioning slots and includes a second hook. The second engaging component includes a third hook. When the first casing is set on the inner slide rail, the second hook leaves an engaging path with the first hook, and the first casing and the inner slide rail slide to a position where the third hook is engaged with the first hook.

Abstract: An e-commerce advertising method is provided with creating an e-commerce advertising website having web pages each including a product and service advertising region and a promotional product bidding region. The promotional product bidding region includes a graphical and textual overview of a promotional product, a supplier hyperlink, and a predetermined bid displayed in the promotional product bidding region, and a bid time frame of the promotional product is set. With the concealed bid time frame, dynamic bid decrease is performed so that network users cannot predict the price decrease time of the promotional product, but need to browse the e-commerce advertising website all the time to monitor the price change in order to bid the promotional product with a lower price.