Survey Finds Quality Often Outweighs Price McMahon Joins Spire as President GfK Acquires Knowledge Networks Bi-Lo Hires Center Store Chief EmSense in Limbo 'Community' Research Online communities and their recruited members uniquely bring speed and flexibility to the research process Nielsen Acquires Analytics Firm Nielsen Acquires NeuroFocus Nielsen to Track Online Supermarket Sales Nielsen Catalina Taps New Top Wonk First Previous 8 9 10 11 12 Next Last