This is to be compared with the overall $16.7 Billion spent on US online advertising for 2006 i.e. 1.7%, which is a relatively small chunk but growing fast.
"The underlying concept will influence the way advertising is done in all media, not just online." says Debra Aho Williamson, senior analyst and author of eMarketer's new report, Social Network Marketing: Carving Out Some MySpace.
Social Networking is definitely an important dimension in Marketing 2.0 and the way it impacts relationships between consumers or customers and brands.