What is the difference between UI and UX?

Related questions

1. What is rapid prototyping UX?
2. What is wireframe tool?
3. How do I share an axure prototype?
4. What is UX prototyping?
5. What is axure tool?
6. What is UX mockup?
7. What's the difference between wireframes and mockups?
8. What is wireframe UX?
9. What are wireframes for apps?
10. What is axure RP used for?

Tags

1. #worry
2. #cosmetics
3. #presentation
4. #senses
5. #while
6. #product
7. #interface
8. #represents
9. #crucial
10. #reactions
11. #experience
12. #stands
13. #confused
14. #elements
15. #refers
16. #closely
17. #together
18. #design
19. #still