The full list so far (sad that the guy doesn't seem to have made it himself--one page to keep a running tally):
1. Coffee
2. Religions that their parents don't belong to
3. Film festivals
4. Assists
5. Farmers' markets
6. Organic food
7. Diversity
8. Barack Obama
9. Making you feel bad about not going outside
10. Wes Anderson movies
11. Asian girls
12. Nonprofit organizations
13. Tea
14. Having black friends
15. Yoga
16. "Gifted" children
17. Hating their parents
18. Awareness
19. Traveling
20. Being an expert on YOUR culture
21. Writers' workshops
22. Having two last names
23. Microbreweries
24. Wine
25. David Sedaris
26. Manhattan (now Brooklyn, too!)
27. Marathons
28. Not having TV
29. 80's night
30. Wrigley Field
31. Snowboarding
32. Vegan/vegetarianism
33. Marijuana
34. Architecture
35. The Daily Show/Colbert Report
36. Breakfast places
37. Renovations
38. Arrested Development
39. Netflix
40. Apple products
41. Indie music
42. Sushi
43. Plays
44. Public radio
45. Asian fusion food
46. The Sunday New York Times
47. Arts degrees
48. Whole Foods and grocery co-ops
49. Vintage
50. Irony
51. Living by the water
52. Sarah Silverman
53. Dogs
54. Kitchen gadgets
55. Apologies
56. Lawyers
57. Juno
58. Japan
59. Natural medicine
60. Toyota Prius
61. Bicycles
62. Knowing what's best for poor people
63. Expensive sandwiches
64. Recycling
65. Co-ed sports
66. Divorce
67. Standing still at concerts
68. Michael Godry
69. Mos Def
70. Difficult breakups
71. Being the only white person around
72. Study abroad
73. Gentrification
74. Oscar parties
75. Threatening to move to Canada
76. Bottles of water
77. Musical comedy
And I'll eat my shorts if at least half of those haven't been thread topics here. 8)
(All we have to do is build Columbus' marketing around this and we could get people threatening to move here instead of Canada!)