The document discusses how NoSQL databases like Couchbase are increasingly being used by companies for applications that have modern requirements like scalability, flexibility with data structures, and ease of management. It provides several examples of large companies like Gannett, Marriott, and CenterEdge that have moved key systems from SQL databases to Couchbase to gain performance, scalability, and cost benefits. The document also outlines Couchbase's open source heritage and key features.