*With every Spark Summit, an Apache Spark Community event, increasing numbers of users and developers attend. This is the seventh Summit, and whether you believe that “Seven” is the world’s most popular number, we are offering a special promo code* for all Apache Spark users and developers on this list: SparkSummit7*
*Register (http://spark-summit.org/2016 <http://spark-summit.org/2016>) between now and May 31st with this promo code and get 25% off.**V*alid only for new registrations.*