1. The document discusses different database technologies and provides examples of companies that have tried or considered moving to NoSQL databases but ultimately did not. 2. It describes how to run legacy CGI applications like Smokeping using modern technologies like PSGI and Plack without using Apache. 3. The document expresses that while NoSQL databases have advantages, SQL databases are still more proven, reliable, and scalable for primary data storage in most cases. Problems can occur when NoSQL solutions are used prematurely as the primary database.