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23 May 08
Nielsen BuzzMetrics :: CGM Overview
Une approche du "Contenu Généré par les Utilisateurs", faite par Nielsen Buzzmetrics aux Etats-Unis
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Secondly, CGM is prolific and increasingly easy and inexpensive to create. Online discussion forms, membership groups, boards and Usenet newsgroups represented the first CGM wave. Blogs and online videos represent the latest wave of CGM that's easy and inexpensive to distribute…and influential in its impact.
<!-- table, CGM growth -->
CGM Source Counts
Dec 2004
Dec 2005
Dec 2006
Blogs
3 million
15 million
25 million
Bulletin Boards & Online Review/Feedback Sites
80,000
85,000
90,000
Usenet newsgroups
45,000
45,000
45,000
CGM Daily Posting Counts
2004
2005
2006
Blogs
150,000
600,000
1,500,000
Bulletin Boards & Online Review/Feedback Sites
2,000,000
2,500,000
3,000,000
Usenet newsgroups
180,000
200,000
225,000
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