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 |
