1. Mashable
2. ignite social media
3. Problogger
4. ReadWriteWeb
5. MediaShift
6. Danny Brown
7. aimClear Blog
8. Seth Godin’s Blog
9. Social Media Today
10. Social Business
11. Ogilvy PR 360 Digital Influence Blog
12. HubSpot Internet Marketing Blog
13. Inside Facebook
14. ChrisBrogan.com
15. Small Business Search Marketing
16. digiday:DAILY
17. Dealer Refresh
18. Threeminds
19. MackCollier.com
20. Daily Blog Tips
21. Josh’s Unconventional Marketing Blog
22. Journalistics
23. MattFlies
24. Winning the Web
25. PR 2.0
26. Social Media Explorer
27. Convince & Convert
28. Marketing Pilgrim
29. Web Strategy by Jeremiah Owyang
30. CisionBlog
31. Conversation Marketing
32. Max Gladwell
33. PRBreakfastClub
34. The Social
35. The Profitable Podcast
36. Marketing Profs Daily Fix
37. Six Pixels of Seperation
38. A Shel of My Former Self
39. The Marketing Technology Blog
40. Personal Branding Blog
41. How to Change the World
42. .edu Guru
43. Peter Shankman
44. Beth’s Blog: How Nonprofits can use Social Media
45. Sociable Blog
46. Being Peter Kim
47. The Altimeter by Charlene Li
48. SocialMouths
49. Conversation Agent
50. Old Media, New Tricks
51. davefleet.com
52. Altitude Branding
53. PR Squared
54. Scobleizer
55. Regular Geek
56. Creativity_Unbound
57. Logic + Emotion
58. FreshNetworks Blog
59. Lip-Sticking
60. SheGeeks
61. Internet Marketing with Matt Bacak
62. Buzz Marketing for Technology
63. PRSarahEvans
64. The Buzz Bin
65. The Marketing Eggspert
66. PR Communications
67. Successful Blog
68. Anil Dash’s Blog
69. Jacob Morgan
70. ChaseSagum.com
71. Twitterati
72. Global Neighbourhoods
73. bub.blicio.us
74. SearchFuel
75. Find and Convert
76. Social Media Optimization
77. Inside the Marketers Studio
78. The Social Path
79. The Social Media Marketing Blog
80. brentcsutoras
81. PR 2.0 Strategies
82. A. Fine Blog
83. Twittercism
84. Valley PR Blog
85. What’s Next Blog
86. MediaFuturist
87. The Proactive Report
88. Culture Buzz
89. Groundswell
90. Spark Minute
91. Marketing Nirvana
92. Capture the Conversation
93. One Degree
94. A Relationship Economy
95. Fast Wonder
96. Social Media Vision
97. ConverStations
98. Open Forum Blog
99. TwiTip
100. DygiScape
This list is from Cision Blog but quite comprehensive.
