I found it curious that there's an ad unit on the onenote product page http://office.microsoft.com/en-us/onenote/default.aspx http://office.microsoft.com/en-us/

I found it curious that there's an ad unit on the onenote product page http://office.microsoft.com/en-us/onenote/default.aspx http://office.microsoft.com/en-us/onenote/default.aspx .