What are PNG files bad for?

Related questions

1. What does PNG mean?
2. Can I print a PNG image?
3. What is a PNG photo?
4. What is a PNG logo?
5. What is PNG mainly used for?
6. Do PNG files lose quality?
7. What are the properties of PNG?
8. Is BMP better than PNG?
9. Are PNG files OK for printing?
10. How does a PNG work?

Tags

1. #graphics
2. #acronym
3. #which
4. #relies
5. #lossless
6. #formats
7. #designed
8. #interchange
9. #network
10. #portable
11. #alternative
12. #format
13. #compression
14. #unlike