In case you missed these figures this morning, two reports were released today pegging the size of internet advertising The Internet Advertising Bureau released their annual report this morning estimating the 2007 US internet ad spend at $21.1 billion, representing roughly a 25% increase over 2006’s figures (roughly $16.9 billion if memory serves correctly). Meanwhile, the Kelsey Group released their annual report estimating the global internet ad spend at $45 billion (their US estimation…
