A pioneer in the world of online market research, Centro de Opinion was originally launched by Opinionology and is one of the longest running consumer panels around.
Amazon, Credit-Card, PayPal
Automotive, Business Professionals, Electronics, First-Level Managers, FMCG, Food & dining, Frequent Flyers, Gaming, General Employees, Insurance, Investing, Media, Mothers of babies, Personal banking, Politics, Purchasing Decision Makers, Travelling
Business Professionals, First-Level Managers, General Employees, Purchasing Decision Makers
Health Conditions, Medical Staff