Also, Cassandra, and Cassandra-like databases (like Scylla) are capable of far more than 'chat apps.' There are a lot of IoT, adtech, and other use cases. I jus

Also, Cassandra, and Cassandra-like databases (like Scylla) are capable of far more than 'chat apps.' There are a lot of IoT, adtech, and other use cases. I just published this blog today: https://www.scylladb.com/2019/03/14/from-sap-to-scylla-tracking-the-fleet-at-gps-insight/ https://www.scylladb.com/2019/03/14/from-sap-to-scylla-track... (Apologies for coming in sideways to this thread. Hat's off to ArangoDB, and all in the NoSQL arena who are pushing the envelope in terms of new Big Data solutions.)