Great but how do you find out the answers for those you don't know?

I give up. My brain hurts. Some of these are KILLING me. Some I don't think I've ever seen.

Can someone fill in the blanks? Who makes a test that doesn't give you answers at the end of it any way?

1. ?
2. ?
3. yellow pages
4. gamecube
5. bond
6. ?
7. world health org
8. sony ericsson
9. united nations
10. nvidia
11. unreal
12. chrysler
13 ?
14. ?
15. united way
16. aol
17. goodwill
18. bluetooth
19. wikipedia
20. new line cinema
21. ? -- looks like a dairy logo?
22. ?
23. pixar
24. ?
25. safeway
26. apple
27. united artists
28. lucent
29. jolly green giant
30. tech tv