Category of Research Niche

1. 43things.com  http://www.43things.com/
2. About.com Be a Guide Topics http://beaguide.about.com/topics.htm
3. About.com A to Z list http://azlist.about.com/
4. Alexa Top 500 http://www.alexa.com/site/ds/top_500
5. Amazon Hot New Releases http://www.amazon.com/gp/new-releases
6. Amazon Magazines http://www.amazon.com/magazine-newspaper-subscriptions/
7. AOL Hot Searches http://hotsearches.aol.com/
8. Ask.com Top Searches http://about.ask.com/en/docs/iq/iq.shtml
9. Barnes & Noble Daily top Sellers http://www.barnesandnoble.com/bestsellers/
top10everything.asp
10. BoingBoing http://www.boingboing.net/
11. Delicious.com Popular http://del.icio.us/
12. Digg.com Popular Archive http://digg.com/archive
13. Digg Spy http://digg.com/spy
14. Dummies.com http://www.dummies.com/WileyCDA/Dummies ... index.html
15. eBay Hot Categories monthly pdf report http://pages.ebay.com/sellercentral/
hotitems.pdf
16. eBay Marketplace Research http://pages.ebay.com/marketplace_research/index.html
17. eBay Pulse http://pulse.ebay.com/
18. eBay Seller Central http://pages.ebay.com/sellercentral/
19. eBay What's Hot http://pages.ebay.com/sellercentral/whatshot.html
20. eHow http://www.ehow.com/
21. Face Book http://www.facebook.com/
22. FreeIQ.com http://freeiq.com/wrkfrmhm
23. Google Catalogs http://catalogs.google.com/
24. Google Groups http://groups.google.com/
25. Google Groups Active http://groups.google.com/groups/dir?&sel=0,83986080
26. Google Keyword Tool https://adwords.google.com/select/KeywordToolExternal
27. Google News - Most Popular http://news.google.com/news?ned=us&topic=po
28. Google Trends http://www.google.com/trends/hottrends
29. Google Zeitgeist http://www.google.com/press/zeitgeist.html
30. GoogSpy http://www.googspy.com/
31. How to Do Things.com http://www.howtodothings.com/
32. Keyword Discovery http://www.keyworddiscovery.com/
33. Live Search http://www.live.com/
34. Lycos 50 http://50.lycos.com/
35. Magazines.com http://magazines.com/
36. Meetup Topics http://www.meetup.com/topics/
37. My Goals http://mygoals.com/
38. MySimon Categories http://www.mysimon.com/4002-5_8-6273602 ... =ftr.glnav
39. MySimon Top Searches http://www.mysimon.com/9098-1_8-0.html
40. Neilsen Net Ratings http://www.nielsen-netratings.com/resources.jsp
41. Netscape Popular http://netscape.aol.com/
42. Omgili http://www.omgili.com/
43. Reddit.com Popular http://reddit.com/
44. SEObook Keyword Tool http://tools.seobook.com/general/keyword/
45. SEOmoz http://www.seomoz.org/popular-searches/
46. Technorati Popular http://technorati.com/pop/
47. Thisnext.com/activity http://www.thisnext.com/
48. Trendwatching http://www.trendwatching.com/
49. VeiwDo http://www.viewdo.com/
50. viralvideochart.com http://www.viralvideochart.com/
51. WikiHow http://www.wikihow.com/
52. WordTracker.com http://freekeywords.wordtracker.com/
53. Yahoo Answers http://answers.yahoo.com/
54. Yahoo Buzz http://buzz.yahoo.com