The subscription model, without question, has encountered success among several different industries. In April 2017, subscription companies hosted 37 million visitors on their sites -- an 800 percent increase over three years. Some, like "glam bag" brand Ipsy and meal kit brand Blue Apron, each welcomed more than 4 million visitors during that month.
Bolstered by its success, the subscription economy has set out on a new frontier: bundles. With....