What does on demand video mean on a plane?

Related questions

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Tags

1. #system
2. #during
3. #content
4. #which
5. #whenever
6. #select
7. #broadcast
8. #allows
9. #watch
10. #method
11. #audio
12. #video
13. #prevailed
14. #demand
15. #listen
16. #rather
17. #choose
18. #programming
19. #century
20. #movies
21. #users
22. #scheduled
23. #shows