Tracking online properties has been the bane of marketeers since the inception of the World Wide Web, until Nielsen recently launched a new system of measuring online properties – the Online Campaign Ratings (OCR) in the US. The OCR, the online equivalent of Nielsen’s TV Gross Rating Points (GRP) system, hopes to improve upon the research fi rm’s previous online measurement by providing the truest value of advertising on a website or web space. The previous measurement was … [Read more...] about Online ad stats get reboot