Why is Photoshop monthly?

Related questions

1. Should I buy Adobe Photoshop?
2. Why is Adobe Photoshop so expensive?
3. Is Adobe cs6 still supported?
4. Is gimp better than Photoshop?
5. Is Gimp easier to use than Photoshop?
6. Does Windows 10 come with photo editing software?
7. How much is Adobe Photoshop per month?
8. Did Adobe prices go up?
9. Can you buy Photoshop one month?
10. Is there anything like Photoshop but free?

Tags

1. #extended
2. #plugins
3. #photoshop
4. #which
5. #monthly
6. #because
7. #still
8. #master
9. #people
10. #collection
11. #money
12. #enough
13. #adobe
14. #bonus