Your boss's cat prefers pie charts made in Excel.
Excel can help you rapidly develop dashboards and data visualizations.
There are thriving communities around Excel development.
Excel is commonly used around the globe.
Interactive elements to help you answer questions, reports on a business process, charts and data visualizations.
A neural-network algorithm to help your predict the outcome of a basketball championship.
A spreadsheet used to take attendance for an event.
A Word document.
Leave an honest review for the course developers detailing your experiences in the course, what you liked, what you didn't, and why.
Keep it to yourself.
Don't tell anyone what worked and what didn't.
Tell your cat.