This is not exactly about online advertising, anyway I think it’s somehow connected since it the discussion is on PDF files used for online presentations. The usability guru Jakob Nielsen talks about the matter in his Alertbox, suggesting that:
Users get lost inside PDF files, which are typically big, linear text blobs that are optimized for print and unpleasant to read and navigate online. PDF is good for printing, but that’s it. Don’t use it for online presentation.”adidas advergame advergames advertainment advertising ambient marketing australia belgium best brazil coca-cola email marketing facebook fashion france germany google heineken ikea infographic italy japan marketing mobile content mobile marketing msn nike nokia online ads online advertising online campaign online marketing print advertising rich media samsung sms spain sweden tvc twitter uk video of the day viral marketing volkswagen wieden + kennedy