Update: (!)
There are some, there are a lot of additional information on todays (Oct. 6, 2005)
Research Brief from the Center for Media Research
According to the ISP Interland's
Summer 2005 Small and Medium-sized Business Barometer,
quoted from internetnews.com :
82 % generate a monthly revenue via their Web site.
76 % pluck plenty of leads from their Web sites
57 % said they made money either directly or via offline purchases influenced by their Web sites.
SMB's market their Web sites and generating sales by means of
60 % eMail marketing
54 % search engine optimization
27 % online coupons
20 % pay-per-click
19 % Blogs
11 % Podcasting
10 % RSS
More ...
Considering the short time Blogs, Podcasting and Feeds are available and accepted as serious business tool, you must acknowledge , that SMBs in USA have picked up such means quite fast!
via ABM's MediaPace and MarketingVOX