When I left Nashville in the U.S.state of Tennessee for Shenyang,China,in late 2008,my wallet was filled with cash and credit cards.Back then,hailing a taxi or buying groceries meant counting bills or swiping cards.Se...When I left Nashville in the U.S.state of Tennessee for Shenyang,China,in late 2008,my wallet was filled with cash and credit cards.Back then,hailing a taxi or buying groceries meant counting bills or swiping cards.Seventeen years later,my wallet gathers dust.My smartphone handles everything-scanning QR codes at street markets,splitting restaurant bills,and even paying rent.展开更多
文摘When I left Nashville in the U.S.state of Tennessee for Shenyang,China,in late 2008,my wallet was filled with cash and credit cards.Back then,hailing a taxi or buying groceries meant counting bills or swiping cards.Seventeen years later,my wallet gathers dust.My smartphone handles everything-scanning QR codes at street markets,splitting restaurant bills,and even paying rent.
