Internet of things and store (project)

Research a career in the Internet of Things in the retail industry. It can be one mentioned here, but can also be from your own research. It can occur anywhere along the supply chain (invention, design, creation, manufacturing, sales, promotion, etc.) Answer the following questions about this career:

1. What is it?
2. How does it relate to retail?
3. What are the responsibilities?
4. What is the annual salary?
5. What education and training do you need?
6. What additional skills are required?
7. Why are you interested in this career?
8. What do you think would be the most difficult part of the job? The easiest?