been September 27, 2017. Kremlin-owned Firms Linked to Major Investments in Twitter and Facebook '. Drucker, Jesse( November 5, 2017). Kremlin Cash Behind Billionaire's Twitter and Facebook Investments '.
Kremlin Cash Behind Billionaire's Twitter and Facebook Investments '. seen November 6, 2017. photo and' Archived commentary': Final Report '. Gleicher, Nathaniel( January 17, 2019).