Amazon has launched Login with Amazon, a new service that will enable the more than 200 million active Amazon customers to securely log in to apps, games and websites once without having to remember multiple passwords.

Amazon has launched its own currency, which customers will be able to use to purchase apps, games and in-app items from the Amazon Appstore and on Kindle Fire.

Online retailer Amazon has launched its 50+ Active and Healthy Living Store, which features hundreds of thousands of nutrition, wellness, exercise and fitness, medical, personal care, beauty, entertainment items and more — all in a single destination for customers in the 50+ age range.

Amazon.com went back to its roots as bookseller last week with the announcement that it would acquire social site Goodreads, an online book recommendation community that has more than 16 millions around the globe.

Sam's Club and Amazon were among the retailers that earned top marks for customer service, according to the consulting firm Temkin Group.

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.

Customer satisfaction with retailers is on the rise, according to a report released by the American Customer Satisfaction Index. In fact, it’s at an all time high, up 0.7% to 76.6 in 2012 on ACSI’s 100-point scale.

Amazon.com has expanded its content licensing agreement with CBS Corp. to bring classic series and hit TV shows from CBS Television Distribution and Showtime Networks to Amazon’s Prime Instant Video service, extending the already vast catalog of CBS content available for Prime members to instantly stream, and enjoy at no additional cost.

Traffic trends at Walmart and other major retailers declined in December even though e-commerce sales set new records in the fourth quarter and throughout 2012.

Amazon, which gained attention for its expanded Kindle line and growing e-commerce footprint, captured the second spot on BrandIndex's list of most buzzed about U.S. brands for 2012.

Amazon.com has entered into a content licensing agreement with A+E Networks to add prior seasons of series from A&E, Bio, History and Lifetime to the Prime Instant Video service.