Full Text: http://www.searchengineguide.com/kal.../0511_kj1.html
"If youíve been thinking about trying out PPC engines but are confused about the different models available and the costs involved, this article will shed some light."
"According to ComScore Networks online consumer spending for the 2004/5 financial year is expected to top USD 66 billion dollars, up 25% on the previous year. Thatís right, 66 BILLION dollars! A large chunk of that expenditure will come from leads generated via pay per click search engines."