Do I need chromecast If I have a Smart TV?

Related questions

1. What is chromecast?
2. Do you need an Internet connection for chromecast?
3. Do Samsung smart TVs have chromecast?
4. Is Roku or chromecast better?
5. How can I use chromecast without Internet?
6. Does Hulu have chromecast?
7. How do I watch live TV on chromecast?
8. Is there a monthly fee for using chromecast?
9. Can I use chromecast without Internet?
10. Does chromecast use WiFi?

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18. #google
19. #videos
20. #smart
21. #these
22. #provide