Hidden Secrets of the Amazon Shopping Cart | FutureNow's GrokDotCom / Marketing Optimization Blog
For Amazon, success comes from a continuous cycle of optimization (measure, refine, test). Compare this rigorous approach to the fact that over 75% of online retailers don’t do any optimization testing, and you’ll begin to see why Amazon remains the envy of e-commerce marketers.
via grokdotcom.com
The fact that 75% of retailers don't do any optimization testing is astonishing and ripe for money to be made.