Why did Instagram change its logo?

Related questions

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5. Is Mark Zuckerberg the owner of Instagram?
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Tags

1. #changes
2. #changed
3. #reason
4. #instagram
5. #according
6. #bring
7. #design
8. #recognizable
9. #spalter
10. #making
11. #icons
12. #change
13. #aesthetics
14. #users