iab internet advertising revenue report an industry survey conducted by pricewaterhousecoopers and sponsored the interactive bureau 2004 full year results april 2005 pwc table of contents background 2 executive summary 3 detailed findings 4 fourth quarter annual quarterly trends concentration pricing models formats category spending market share appendix 14 scope methodology board officers directors organization profiles 1pricewaterhousecoopers llp about new media group on ongoing basis with released semi annually was initiated in 1996 this aggregates data information reported directly to companies representing thousands web sites addition other line ad selling are most accurate measurement revenues since is compiled from supplied all inclusive includes reflecting commercial services e mail providers as well
