Can I use Google Analytics to track other websites?

Related questions

1. What are goals in Google Analytics?
2. How do I see total visits on Google Analytics?
3. What's a good average session duration?
4. How long does a Web session last?
5. What's a good CTR?
6. Are sessions the same as visits?
7. How Google Analytics calculate users?
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Tags

1. #group
2. #service
3. #people
4. #project
5. #pages
6. #tracking
7. #kickstarter
8. #right
9. #google
10. #analytics
11. #analysis
12. #visited
13. #meetup
14. #locations