Amazon lead the pack in the retail field on Fortune’s “Most Admired Companies” list. The e-commerce juggernaut was third ranked overall (behind Apple and Google) for, among other reasons, its efficient customer service and leadership under CEO Jeff Bezos.

Amazon.com enjoyed tremendous sales growth in the fourth quarter, but it came at a steep price as expenses grew faster than sales due to investments to support future growth.

When it comes to shopping, Jeff Bezos, CEO of Amazon knows a thing or two about the subject, which is why it was fitting that he was the keynote speaker at Consumer Reports’ ShopSmart magazine summit on May 11.

Retail industry online sales ascended to new heights during the past holiday season and as Amazon.com’s fourth quarter results show it was a key driver of the growth.