Sticking it here on blog because I don’t want to lose it again:

  • $7.4 billion was spent on search engine marketing in 2005 (16% of which was business-to-business).
  • More than 40% of the average marketer’s budget is devoted to search.
  • Nearly 38% of Yahoo’s advertisers are defined as b-to-b.
  • More than 50% of Google’s target advertisers are b-to-b.
  • Nearly 64% of search engine users search for business information first.

From Jupiter Research? quoted on Wikipedia.