<P> In 1987, the original owners sold the Starbucks chain to former manager Howard Schultz, who rebranded his Il Giornale coffee outlets as Starbucks and quickly began to expand . In the same year, Starbucks opened its first locations outside Seattle at Waterfront Station in Vancouver, British Columbia, and Chicago, Illinois . By 1989, 46 stores existed across the Northwest and Midwest and annually, Starbucks was roasting over 2,000,000 pounds (907,185 kg) of coffee . </P> <P> At the time of its initial public offering (IPO) on the stock market in June 1992, Starbucks had 140 outlets, with a revenue of US $73.5 million, up from US $1.3 million in 1987 . The company's market value was US $271 million by this time . The 12% portion of the company that was sold raised around US $25 million for the company, which facilitated a doubling of the number of stores over the next two years . By September 1992, Starbucks' share price had risen by 70% to over 100 times the earnings per share of the previous year . </P> <P> In July 2013, over 10% of in - store purchases were made on customer's mobile devices using the Starbucks app . The company once again utilized the mobile platform when it launched the "Tweet - a-Coffee" promotion in October 2013 . On this occasion, the promotion also involved Twitter and customers were able to purchase a US $5 gift card for a friend by entering both "@ tweetacoffee" and the friend's handle in a tweet . Research firm Keyhole monitored the progress of the campaign and a December 6, 2013, media article reported that the firm had found that 27,000 people had participated and US $180,000 of purchases were made to date . </P> <Table> <Tr> <Td> </Td> <Td> This section is missing information about order and pay feature in app . Please expand the section to include this information . Further details may exist on the talk page . (December 2016) </Td> </Tr> </Table>

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