How do bulk SMS companies work?

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Tags

1. #platforms
2. #world
3. #service
4. #large
5. #enables
6. #click
7. #sending
8. #messages
9. #which
10. #terminals
11. #numbers
12. #effective
13. #audience
14. #delivery
15. #customers
16. #mobile
17. #interact
18. #marketing