Why is CGI used in movies?

Related questions

1. Is CGI still used?
2. What do you mean by CGI?
3. What was the first 3d CGI movie?
4. What is astronaut Buzz Lightyear's popular catchphrase in the Pixar film Toy Story?
5. What does CGI stand for in gaskets?
6. What is CGI effects in movies?
7. Did Steve Jobs make Toy Story?
8. Is VFX a good career in India?
9. Who purchased special effects computer group at Lucasfilm?
10. What is compositing in VFX?

Tags

1. #typical
2. #imagery
3. #would
4. #media
5. #rendered
6. #video
7. #films
8. #computer
9. #graphics
10. #intro
11. #commercials
12. #movies
13. #applications
14. #programs
15. #rarely
16. #television
17. #referred
18. #include
19. #printed
20. #scenes
21. #games
22. #often
23. #generated