Amazon has been testing its AmazonFresh delivery service in the Seattle area since 2007. Joe Nicholson/AP hide caption

itoggle caption Joe Nicholson/AP

The Amazon Kindle e-reader could see greater integration with Goodreads, following Thursday's announcement that the online retail giant was buying the the social book-recommendation site. Ted S. Warren/AP hide caption

itoggle caption Ted S. Warren/AP

Researchers are increasingly using cloud computing to discover new drugs and medical treatments. Cloud computing is often cheaper and quicker than in-house computing. iStockphoto.com hide caption

itoggle caption iStockphoto.com