How does AdBlock work technically?

Related questions

1. Is Adblock Plus safe for Google Chrome?
2. How do I disable AdBlock on Chrome for Android?
3. Does AdBlock slow Chrome?
4. Is Adblock Plus legit?
5. How do I restart AdBlock on Chrome?
6. Is using AdBlock safe?
7. How do I remove AdBlock Plus from Chrome?
8. Does AdBlock Plus cost money?
9. How does AdBlock Plus make money?
10. How do I install Adblock Plus?

Tags

1. #trigger
2. #subscribed
3. #filters
4. #called
5. #filter
6. #custom
7. #added
8. #compares
9. #stylesheet
10. #injects
11. #adblock
12. #method
13. #doesn
14. #lists
15. #blocked
16. #means
17. #normal
18. #instead
19. #every
20. #request