According to Chitika research director Daniel Ruby, the Apple iPad will be over 2% of North American web traffic. Chitika has been tracking iPad adoption rates on its ad network. About three billion ads served across 100,000 websites have been served on the iPad via Chitika so far.

According to advertising company Chitika.com, about one million iPads have been sold. Their figures are based on tracking the number of individual iPads are out there that surf the Internet and access some part of the Chitika ad networks. [Chitika Labs]

In the next 30 days, Yahoo! Inc. (NASDAQ:YHOO) will be shutting down Publisher Network.  Yahoo! is recommending people to switch to Chitika as a result of the shut down.  It is strange why Yahoo! is asking people to switch to Chitika instead of Microsoft Corporation (NASDAQ:MSFT) adCenter.  Microsoft and Yahoo! are advertising partners.  The Yahoo! Publisher Network (YPN) launched in August 2005.  YPN provided a limited number of publishers with cost-per-click advertising tools.  Below is the full e-mail from Yahoo!