In 2006, the online spending of B2B advertising was $2.8 Billion. That was 16.6% of the total spending online. It grew to $3.5 Billion in 2007. The projected value of B2B Online Advertising (the share in total online advertising in brackets) are

2008 : $4.4 billion (16%)
2009 : $5.3 billion (16.3%)
2010 : $6.4 billion (17.1%)
2011 : $8.0 billion (19.0%)

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