With the continued increase in the reliability of online advertising and the ability to track online ads, 
don’t be surprised to see that ratecard be a tad pricier next year. Online advertising revenues are expected to grow 31 percent, to $16.4 billion, in 2007, accounting for 6 percent of the overal ad market, according to eMarketer, writes the New York Times (via MarketingVox).
Some of that growth will come from higher prices, but likely much of it will be due to a larger share of ad budgets shifting to online.
"Rates are going up, but effectiveness is going up too," Greg Stuart, chief executive of the Interactive Advertising Bureau said, suggesting consumers were now more likely to make a purchase or request additional information than in previous years. Online Ad Prices Likely to Rise in ‘07 @ Media Buyer Planner