【廃止時期追記あり】Twitter User streams APIは今後廃止されます

追記 (2018-04-08 12:39): Last year we announced our plan to retire Site Streams & User Streams, and replace them with the Account Activity API (currently in beta). We are delaying the scheduled June 19th deprecation date.— Twitter Dev (@TwitterDev) April 6, 2018 User streams API の廃止時期を延期す…