Why do pictures go blurry on Instagram?

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Tags

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2. #instagram
3. #icloud
4. #might
5. #blurry
6. #phone
7. #originals
8. #apple
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10. #optimize
11. #switch
12. #iphone
13. #thumbnails
14. #storage
15. #making
16. #change
17. #because
18. #photos
19. #settings