Consumers set up a blockbuster holiday season at the Box Office
Amazon remains the clear leader in the retail space, growing by 13 percent over the two years to 31.6 million users during September, followed by Otto in second position with 12.7 million and a growth rate of 12 percent. Idealo has seen a 26 percent surge in audience size in Germany over the years, making it the second fastest growing site in this ranking.