What do Bloomberg, CapitalOne, and Comcast have in common? If you said they’re operationalizing data science using Apache Spark, then give yourself a gold star. These companies shared their stories of the upstart analytics toolbox during the recent Spark Summit East conference, and as the stories show, Spark is not only helping enterprises achieve analytic dreams, but they’re accelerating the development of Spark along the way. If you’re a regular reader of this publication, then you already know about that Apache Spark is currently the hottest project in the big data analytics and data science community. The Hadoop distributors have long since jumped on the Spark bandwagon, and even IBM is now singing the praises of the free and open source distributed analytic framework that competes with so many of its proprietary offerings.