“Post-soviet diaspora

The construction through social media” (mostly about vloggers on YouTube talking about migration, giving advice, sharing experience) 
I need a literature review for a dissertation structured by thematic chapters below: 

  1. Globalization and media – development of global flows of people 2. Migration and media — new communities 3. Role of media in maintenance, challenges and transformation of diasporic identities 4. Post-soviet diaspora – construction of identity 5. Digital world creating cultural scape for post-soviet community (Vlogging, Youtube, Facebook etc.)