The tutorial provides a comprehensive guide on how to use Google Core IoT with InfluxData, a Time Series Database for IoT deployments. The tutorial assumes an existing instance of InfluxDB running and accessible. A Telegraf plugin is built for Google Core IoT, and the process of building and installing it is detailed. The tutorial covers setting up Google Cloud Platform account, installing the Google Cloud Command Line Tool, generating Public/Private key pairs, creating a device registry and device, and configuring Telegraf to support Google-specific functionality. The client application is written in Go and can be run on various devices that support Golang. The tutorial concludes with running the client app, verifying the results, and launching Chronograf to see data streaming into InfluxDB.