Starbucks Corp. /zigman2/quotes/207508890/composite SBUX -1.16% said Wednesday that it has partnered with Alibaba Group Holding Ltd. /zigman2/quotes/201948298/composite BABA -2.27% to launch voice ordering in China with Alibaba's smart speaker, Tmall Genie. The Starbucks virtual store sells a Starbucks-themed version of the speaker. Deliveries arrive within 30 minutes. Starbucks and Alibaba have been partners for one year and have collaborated on a number of programs to grow the coffee business in China. The voice ordering program uses Alibaba's Ele.me on-demand food delivery platform, which was introduced earlier this year. Starbucks stock has rallied almost 65% over the past year. Alibaba shares are up 14.3%. And the S&P 500 index /zigman2/quotes/210599714/realtime SPX -0.27% is up 3.5% for the period.