comScore 379 1
Ipsos Group - Ipsos Comcon - Ipsos MORI - Ipsos Public Affairs - Ipsos Healthcare - Ipsos Reid - Angus Reid Group 133 1
BMI International - BMI-TechKnowledge 4 1
GfK Group - GfK-Nürnberg Gesellschaft für Konsumforschung - GfK Rus - ГФК-Русь 246 1
MASMI Research Group - МАСМИ рисерч - MASMI Online the Monitor - МАСМИ Онлайн Монитор 45 1