The document is a list of over 50 sources for various social media and internet-related infographics and images. The sources link to graphics about topics such as the history and evolution of different social networks and communication platforms, how information spreads online, usage and adoption trends over time, and comparisons of major platforms.

1. Source: http://images.businessweek.com/mz/07/24/0724_6insiid_a.gif

2. Source: http://www.webdoctus.com/2010/01/25-mind-blowing-social-media-infographics/

3. Source: http://searchengineland.com/images/sphere-of-influence.gif

4. Source: http://theconversationprism.com/1900

5. Source: http://www.nowandnext.com/PDF/trend_blend_2009_map.pdf

6. Source: http://socialreflexion.com/img/infographics/infographic-ex-4-full.png

7. Source: http://infographics101.files.wordpress.com/2009/10/social_media_timeline.jpg

8. Source: http://pleaseenjoy.com/

9. Source: http://www.informationisbeautiful.net/visualizations/the-hierarchy-of-digital-distractions/

10. Source: http://www.globalwebindex.net/latest/index.php/2009/11/26/infographic-001-global-map-of-social-web/

11. Source: http://farm3.static.flickr.com/2637/4242191963_03823c2a62_o.jpg

12. Source: http://www.vincos.it/wp-content/uploads/2009/06/wmsn-12-09.png

13. Source: http://image.guardian.co.uk/sys-images/Technology/Pix/pictures/2008/02/01/SeaCableHi.jpg

14. Source: OECD and ITIF Broadband Rankings

15. Source: http://imgs.xkcd.com/comics/online_communities_small.png

16. Source http://www.flickr.com/photos/fast-company/4004517393/sizes/o/

17. Map of social networks in the world Source: http://www.flickr.com/photos/gauravonomics/2963899439/sizes/l/in/photostream/

18. Source: http://www.newscientist.com/data/images/ns/cms/mg20227062.200/mg20227062.200-6_1000.jpg

19. Source: http://practicumpioneers.wordpress.com/tag/social-networking/

21. Source: http://searchengineoptimization.elliance.com

22. Source: http://static.manolith.com/wp-content/uploads/2009/06/the-story-of-twitter.jpg

23. Source: http://mashable.com/2010/03/18/twitter-infographic/

24. Source: http://www.flickr.com/photos/briansolis/3570379944/sizes/o/

25. Source: http://www.ngonlinenews.com/news/the-journey-of-a-tweet/

26. Source: http://www.burson-marsteller.eu/images/upload/beforetwitter.png

27. Source: http://www.burson-marsteller.eu/images/upload/aftertwitter_copy_1.png

28. Source: http://applicant.com/twitter-guide/

29. Source: http://farm4.static.flickr.com/3629/3485574749_e7fcddb49c_o.jpg

30. Source: http://citysand.files.wordpress.com/2009/12/matrix-social_media_examples.jpg

32. Source: http://searchengineoptimization.elliance.com

33. Source: Unknown

34. Source: http://www.xplane.com/xblog/2008/06/20/no-small-change-how-obama-reinvented-campaign-finance/

35. Source: http://searchengineoptimization.elliance.com

36. Source: http://searchengineland.com/search-illustrated-how-to-use-social-media-sites-13455

37. Source: Unknown

38. Source: http://www.meettheboss.com/amazon-acquisitions-and-investments-zappos.html

39. Source: http://darmano.typepad.com/logic_emotion/images/working_blogger.gif

40. Source: http://www.rickliebling.com/2009/02/23/the-periodic-table-of-the-social-media-elements/

41. Source: http://www.rossdawsonblog.com/TrendBlend08_map.pdf

42. Source: http://searchengineland.com/search-illustrated-tagging-explained-11383

43. Source: http://searchengineoptimization.elliance.com

44. Source: http://www.flickr.com/photos/phploveme/2957594315/sizes/l/in/photostream/

45. Source: http://www.onlineeducation.net/internet/social-media-count_full.jpg

46. The Life-Cycle of a Blog Post Source: http://www.wired.com/special_multimedia/2008/ff_secretlife_1602

47. Source: http://informationarchitects.jp/wp-content/uploads/2009/07/wtm4-final.png

48. Source: http://sawb.soup.io/post/35554164/Social-Media-Fatigue

49. Source: Emergent by Design

50. Source: http://www.wired.com/wired/archive/17.01/ff_mac_viewer.html

52. Source: http://www.focus.com/fyi/information-technology/history-and-evolution-email/

53. Source: http://www.focus.com/fyi/information-technology/history-and-evolution-email/

54. Source: http://www.focus.com/fyi/information-technology/history-and-evolution-email/

55. Source: http://www.focus.com/fyi/information-technology/history-and-evolution-email/

56. Source: Internet World Stats Broadband Penetration

57. Source: http://designreviver.com/wp-content/uploads/2010/03/infographic_06.jpg

58. Source: http://searchengineland.com/search-illustrated-building-a-company-with-social-media-13293

59. Source: http://www.oneupweb.com/wp-content/themes/Oneupweb/images/infographics/lg_infographic_makesocialwork.gif

60. Source: http://www.psfk.com /

61. Source: http://www.searchandsocial.com/social-media-statistics.html

62. Source: http://davidjcarr.files.wordpress.com/2009/10/social_media_roi.gif

63. Source: http://cdn.lalawag.com/wp-content/uploads/twitter-hack-timeline3.jpg

64. Source: http://www.focus.com/images/view/3504/

65. Source: http://s3.amazonaws.com/infobeautiful/twitter2_550.gif

66. Source: http://searchengineoptimization.elliance.com/search-marketing-resources/seo-infographics.aspx?title=The-Web-Life-of-an-Article

67. Source: http://infobeautiful.s3.amazonaws.com/chicksrule_550.gif

68. Source:http://www.dailybloggr.com/social-media-cheat-sheet.gif

69. Source: http://designreviver.com/tips/understanding-the-power-of-social-media-with-infographics/

70. Source: http://www.ciodashboard.com/wp-content/uploads/2009/07/cio-social-media3.png