Share this postNotes from Shanghailillianli.substack.comCopy linkTwitterFacebookEmailNotes from ShanghaiOf QR health codes and mini-apps. Also an announcement. Lillian LiJul 1, 20226Share this postNotes from Shanghailillianli.substack.comCopy linkTwitterFacebookEmailThis post is for paid subscribersAlready a paid subscriber? Sign in