What is Matrix airfare search?

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Tags

1. #created
2. #airlines
3. #1990s
4. #search
5. #founded
6. #group
7. #flight
8. #across
9. #fares
10. #acquired
11. #scientists
12. #matrix
13. #lowest
14. #engine
15. #computer
16. #their
17. #software
18. #google