Salesforce predicts about one in five online purchases in the U.S., the UK, Australia, and Canada will be made through four online marketplaces: Shein, Temu, TikTok Shop, and AliExpress. Shopping on Temu can feel like playing an arcade game. Instead of using a joystick-controlled claw to grab a toy, visitors to the online marketplace maneuver their computer mouses or cellphone screens to browse colorful gadgets, accessories, and trinkets with prices that look too good to refuse.A pop-up spinning wheel offers the chance to win a coupon.