Had lunch yesterday with my friend Alan Gould who co-founded IAG Research and recently sold the company to Nielsen. We talked a lot about the various types of measurement available in Internet advertising and how they influence ad buying. Alan is working hard to build a measurement platform for brand impact of display advertising and I believe that this is a crucial missing element. Despite Wenda Millard getting some flack the other day for complaining about the absence of “art” from a world ...