Amazon beats Apple and Argos to top list of Top 50 online retailers

IMRG and comScore have joined forces to produce the Top 50 IMRG Retailer Ranking, a new league table for online retailers. The IMRG Top 50 Retailer Ranking will be published quarterly, and measures visitors to those websites based on comScore’s MMX online audience measurement technology. In the inaugural list, online retail giant Amazon beat Apple…