Google AdWords is an easily accessible bidding tool for serving targeted ads with related keyword searches. To make the automation of AdWords account manipulation easier and quicker, Google introduced AdWords Scripts, which provides a programmatic way to access your AdWords data.
The tutorial is entry-level, with the author explaining the underlying concepts such as data sources, objects, and what an API Wrapper is. The code is provided with detailed explanations and tips on how to simplify the main application.
While using political polling data for managing marketing campaigns may not seem relevant to many developers, the lessons and techniques are transferable to other objectives.