Dear AoIR members, this is to inform you that the deadline for CMSTW'2021 in St.Petersburg, Russia (virtually) is extended to March 5, 2021. The conference will take place on April 20-21 and will discuss communication architectures. Our keynotes include Noshir Contractor (USA), Barbie Zelizer (USA), Oscar Westlund (Norway) and Thorsten Quandt (Germany). The conference offers publication opportunities in Digital Journalism (Q1) and Future Internet (Q2). It will be conducted for the 9th time and will have a plenary podium discussion, several round tables, and virtual tours in the famous museums of St.Petersburg to substitute the cultural program unavailable in the COVID-affected times. Please submit here: https://easychair.org/conferences/?conf=cmstw2021 -- Svetlana S. Bodrunova, Prof., D.Polit.Sci. Head, Center for International Media Research School of Journalism and Mass Communications, St.Petersburg State University +7 921 933 02 14 s.bodrunova@spbu.ru, spasibo-tebe@yandex.ru