The featured resource is great for introductory digital marketing. The eduhack information details are provided below:

 

Q 1. Where did you find the resource/s?
A1. I found the following resource on Open Educational Resources:

Book title: eMarketing: The Essential Guide to Online Marketing (v1.0)
Relevant URL: https://www.oercommons.org/courses/emarketing-the-essential-guide-to-online-marketing-3/view

Q2. What keywords did you use? How did you choose them?
A2. Keywords used: digital marketing
Used them in the standard search bar on https://www.oercommons.org/

Q3. What could you do with it/them based on their licenses?
A3. This resource has a license attribution of: Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Creative Commons Attribution-NonCommercial-ShareAlike 3.0
It allows me to:
Share — copy and redistribute the material in any medium or format
Adapt — remix, transform, and build upon the material

Q4. What quality considerations have you applied in order to determine that it is an appropriate and relevant resource?
A4. I made sure it is good quality and relevant resource by the following:

For determining quality:
Searched this title on Google and found that the authors (Rob Stokes (Author), Minds of Quirk (Author)) are credible. Additionally, version 1.0.4 of this title is being sold on Amazon.

For determining relevance:
It is directly related to the subject I teach, therefore I have considered this title for supplementary reading by students.