Chinese social media giant Tencent Holdings has joined US-based ride-hailing firm Uber Technologies to provide a seamless way for Chinese globetrotters to hail rides overseas.In a statement on Monday, Shenzhen-based Tencent said it integrated Uber into its messaging-to-payment super app WeChat, so that users can book trips in nine more countries and regions, including the US, UK, France and Australia.Mainland Chinese users of WeChat can already hail Uber rides in Hong Kong and Japan by tapping...