How do Geotags work?

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Tags

1. #amount
2. #images
3. #embedding
4. #browse
5. #geotagging
6. #process
7. #relevant
8. #digital
9. #users
10. #search
11. #photo
12. #internet
13. #takes
14. #longitude
15. #other
16. #altitude
17. #content
18. #latitude
19. #tagging
20. #known