2. Zynga
3. Groupon
4. 360 Buy*
5. Twitter
6. Dropbox
7. Wikipedia
8. Vente-Privee
9. LivingSocial
10. Craigslist
11. Palantir Technologies
12. VANCL*
13. Hulu
14. Square
15. Jawbone
16. Airbnb
17. Rovio
18. Mozilla
19. Spotify
20. Kayak
21. Gilt Groupe
22. Storm8
23. Coupons.com
24.Datapipe
25. Tumblr
26. eHarmony
27. Legal Zoom
28. Yelp
29. Angies List
30. Trulia
31. Zulily
32. ZocDoc
33. Chegg
34. Service Now
35. Foursquare
36. Workday*
37. Box.net
38. Buddy Media
39. Media Bank
40. AdKnowledge
41. Indeed
42. Zoosk
43. One Kings Lane*
44. Yodle
45. Everyday Health
46. Kabam
47. Stella and Dot
48. Glam Media
49. Flipkart*
50. Ideeli
51. Ozon
52. Fresh Direct
53. Federated Media
54. Quantcast
55. Xiu
56. Habbo (Sulake)
57. Imperva
58. Vostu
59. ShoeDazzle
60. Collective
61. Rubicon Project
62. Brightcove
63. Jive Software*
64. Redfin
65. Etsy
66. The Ladders
67. Tremor Video
68. Sugar Inc.
69. Flipboard
70. SAY Media*
71. Phreesia*
72. Specific Media
73. Tagged
74. Mind Candy
75. Clearspring
76. RecycleBank*
77. Undertone
78. SecondMarket
79. Return Path*
80. Meebo
81. AppNexus
82. Vibrant Media
83. Gawker Media
84. Evernote*
85. Eventbrite
86. Thrillist*
87. Media6Degrees
88. Beachmint
89. CafePress
90. Xirrus
91. Complex Media*
92. CafeMom
93. 10gen*
94. Better World Books
95. Bleacher Report
96. Break Media
97. Thought Equity Motion*
98. Warby Parker
99. Manta*
100. Right Scale
101. Rent The Runway
102. MiniClip
103. Pontiflex
104. Clickable
105. PlentyOfFish
106. Eucalyptus
107. Shazam
108. Oodle
109. Instagram
110. LearnVest
111. BetterWorks
112. Stack Exchange
113. Lifebooker
114. SB Nation
115. eBuzzing*
* Additions or adjustments to the original list based on new information. Also, Ning has been removed, since it was acquired by Glam Media. http://www.businessinsider.com/2011-digital-100--1-100
