As much as press and analysts have hammered Microsoft over what it will do with Yahoo's Zimbra assets, Google would have to consider what to do with Xserve and Xsan, Apple's enterprise server and file server technologies, respectively. While Zimbra's collaboration tools are redundant at Microsoft, Google has no reason to sell servers or storage. Moreover, internal use of these products in Google's data centers is also out of the question. Xserve and Xsan are proprietary products, and Google employs Hadoop and other open-source applications for its distributed data center operations. Xserve and Xsan appear to be the odd men out.