This document provides an in-depth look at Twitter usage statistics and insights from 2009. It discusses the top Twitter clients and how people use them. Popular features include timelines, following lists, notifications of retweets and direct messages. Network graphs and word clouds are used to analyze trends and conversations. Links are included to further resources on understanding the Twitter world.

1. How to Start
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11. http://tweetphoto.com/bws2aao7

12. http://www.twitvid.com/9B74D

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19. ydnkrblog.com, @ydnkr

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27. @helloW
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29. 89 http://twtpoll.com/9x2f1k, :; <=> 2278 ?

30. 89 http://twtpoll.com/fd20rz, :; <=> 2278 ?

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@A BC1DE % of User Tweet/User
1 Web 20.64% 2.61
2 TweetDeck 14.61% 2.79
3 Tweetie 9.06% 2.10
4 twitterfeed 7.59% 2.94
5 Seesmic 4.28% 1.95
6 API 3.70% 2.61
7 HootSuite 3.51% 1.97
8 Echofon 2.82% 1.55
9 UberTwitter 1.95% 1.55
10 FriendFeed 1.85% 5.47
11 Ping.fm 1.75% 1.44
12 Txt Message 1.75% 2.33

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34. selfintro.xguru.net

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46. www.twitterbackgrounds.com

47. www.twitterbackgrounds.com

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49. 7
following
51,028
followers
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Tweet
187,285
following
3 190,485
following followers
13,008 33,956
followers Tweet
2,250
Tweet
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following 3,814
following
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followers 87
followers
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50. www.neuroproductions.be/twitter_friends_network_browser/

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kimjuha does not follow you!
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65. http://twitpic.com/d06g4

66. http://twitpic.com/d06g4

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http://bit.ly/He0Sf

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70. web.me.com/t_trace/pbtweet.html

71. web.me.com/t_trace/pbtweet.html

72. web.me.com/t_trace/pbtweet.html

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Widgets Twhirl Tweetie TweetDeck
Blogo Twitteriffic PocketTweets Spaz

75. tweetdeck.com

79. http://twitterrific.com/

80. http://twitterrific.com/

81. http://twitterrific.com/

82. http://twitterrific.com/

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89. Tweetie Nambu

90. http://cotweet.com

91. http://hootsuite.com

92. favstar.fm

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97. • foller.me

98. twitterfeed.com

99. twitterfeed.com

100. 2009-11-12 12:10

102. tweetstats.com + wordle.net

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[89] An In-Depth Look Inside the Twitter World (2009.06) http://sysomos.com/insidetwitter/

104. 89, http://www.informationisbeautiful.net/2009/more-truth-about-twitter/

105. TwitterSheep

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[89] http://blogs.harvardbusiness.org/haque/2009/06/twitter_2.html

112. lovesera.com
@phploveme
phploveme@yahoo.co.kr
lovesera.com/tt/419

113. http://creativecommons.org/licenses/by-sa/2.0/kr/