Woot was founded in Dallas, USA in 2004 and has since been acquired as a brand by Amazon. It is a well-known unique group buying website in the United States. It first pioneered the concept of group buying only once a day, providing each customer with a discount shopping opportunity only once a day, and launching new products at 11:59 am in the central United States every day when the products are not sold out. The products sold by Woot mainly include electronic products, sports, children's products, red wine, etc.