Does Hangouts need WiFi?

Related questions

1. Does Google Hangouts use data?
2. Is Hangouts video call safe?
3. What is Google hangout used for?
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5. Is Gmail hangout safe?
6. How can you tell if someone is on Hangouts?
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Tags

1. #network
2. #these
3. #cellular
4. #messages
5. #standard
6. #protocols
7. #google
8. #internet
9. #phone
10. #route
11. #hangouts
12. #available
13. #manage