DataSong is a marketing analytics agency based in San Francisco, provides marketing effectiveness solutions to leading Omni-channel retailers, including Williams-Sonoma and Neiman Marcus. DataSong is focused on helping marketers determine the most cost-effective marketing tactics and channels. Many marketers use a top-down approach. Their methodology is bottoms up. They use granular user-specific data such as web logs and email provider logs. DataSong evaluated Hadoop alternatives and chose MapR. The MapR distribution for Hadoop runs on a cluster made up of 14 Dell Dual Hex Core nodes with 64 GB of RAM. The results of implementing MapR were increased operational effectiveness, streamlining workflow with NFS, data hub for their business and receiving valuable support from MapR community.