Apache Spark 3 for Data Engineering and Analytics with Python - Challenge Part 3 - Q3 When to Advertise

The video tutorial addresses the complex question of determining the optimal time to display advertisements to maximize product sales. It involves setting up a data analysis environment, checking for duplicate order IDs, and grouping data by hour to identify peak sales times. The analysis reveals that the best times to advertise are between 7:00-8:00 PM and 11:00-12:00 AM. The tutorial concludes with visualizing the data using a line plot to aid decision-making for advertisement timing.

What new insight or understanding did you gain from this video?