DataRails and The Functionary: Excel Top 5 Wall of Shame

For a list of my Excel courses at Lynda/LinkedIn:
https://www.linkedin.com/learning/instructors/oz-du-soleil
There are courses on Power Query, Good spreadsheet habits, and a weekly Excel challenge that comes out every Friday.

Website: https://ozdusoleil.com

My book: Guerrilla Data Analysis 3rd Edition
https://www.mrexcel.com/products/guerrilla-data-analysis-3rd-edition/
My old blog: http://datascopic.net/blog-2-2