Hands-on Email Campaigning
“The total number of business and consumer emails sent and received per day exceeded 293 billion in 2019 and is forecast to grow to more than 347 billion by the end of 2023.”
Source: “19 Fascinating Email Facts“
Whether it’s letting students take on light work for local small businesses or pushing promotions for the school firsthand, I think something that at least gets students comfortable in something like Mailchimp would be useful.

More advanced courses on this subject could teach more advanced systems, but I think the basics could be covered in Mailchimp. Learn about things like segmentation, test groups, campaign automation, etc. These are real skills that companies look for!